Long Dresses to Wear to a Wedding as a Guest – Formal, Black Tie & Evening Styles – Page 21 Skip to content

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Long Dresses To Wear To A Wedding As A Guest

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Portia and Scarlett PS26048 pink prom dress front view with organza ruffle tiers, 3D floral appliqué corset bodice, strapless sweetheart neckline, A-line silhouette, formal prom gownPortia and Scarlett PS26048 pink prom dress back view showing fully open back from neckline to waist, cascading organza ruffle skirt tiers, structured corset bodice, evening gown
Portia and Scarlett PS26054 blue prom dress with mesh and pearl beading, strapless sweetheart corset gown, front view, formal prom gownPortia and Scarlett PS26054 blue prom dress with open back and boning, fitted fully-beaded sweep train gown, back view, evening gown
Portia and Scarlett PS26223 black prom dress front view with lace corset bodice, boning, high slit, strapless fitted silhouette, formal prom gownPortia and Scarlett PS26223 black prom dress back view with fully open back, lace train, fitted silhouette, evening gown for prom night
Portia and Scarlett PS26114 Black prom strapless fitted satin gown with midriff cutout, boned corset bodice, dramatic floor-length cape panel, formal prom gown
Portia and Scarlett PS26026 black prom dress front view, glitter stretch jersey, strapless sweetheart corset bodice with boning, fitted silhouette with high slit, formal prom gownPortia and Scarlett PS26026 black prom dress back view, glitter stretch jersey, exposed upper back, fitted floor-length silhouette with sweep train, evening gown
Portia and Scarlett PS26106 silver prom dress front view fully beaded strapless sweetheart fitted gown with high slit formal prom gownPortia and Scarlett PS26106 silver prom dress back view crisscross lace-up ribbon closure beaded fitted strapless gown evening gown pageant styling
Portia and Scarlett PS26085 Lilac prom dress front view with sheer illusion corset bodice, crystal beading, strapless sweetheart neckline, fitted silhouette, formal prom gownPortia and Scarlett PS26085 Lilac prom dress back view showing fully open back, boned illusion corset, stretch satin skirt, flowing train, evening gown
Portia and Scarlett PS26147 Black prom dress front view with velvet sequin fabric, crystal boned corset bodice, floral appliqués, fitted silhouette, formal prom gownPortia and Scarlett PS26147 Black prom dress back view with fully open back, illusion mesh panels, crystal floral appliqués at waist, fitted silhouette, pageant gown
Portia and Scarlett PS26074 black-pink front view fitted strapless beaded floral appliqué prom gown with mesh, boning, high slit, open back, sweep train, formal prom gownPortia and Scarlett PS26074 black-pink back view fitted strapless beaded floral appliqué prom gown with fully open back, mesh, boning, high slit, sweep train, evening gown
Portia and Scarlett PS26071 Light Blue prom dress front view with hot-stone embellishment, boned corset bodice, mermaid trumpet silhouette, formal prom gownPortia and Scarlett PS26071 Pink prom dress front view with hot-stone embellishment, sweetheart neckline, fitted corset bodice, evening gown
Portia and Scarlett PS26068 blue prom gown front view in glitter jersey with draped cowl neckline spaghetti straps fitted silhouette and high front slit formal prom gownPortia and Scarlett PS26068 blue prom gown back view showing fully open back glitter jersey fitted silhouette with sweep train evening gown styling
Portia and Scarlett PS26046 Red prom dress front view with beaded corset bodice, sweetheart neckline, straps, high slit, formal prom gownPortia and Scarlett PS26046 Red prom gown back view showing open illusion-mesh corset bodice with boning, open back, evening gown
Portia and Scarlett PS26115 Black champagne beige prom dress front view with sequin lace, one-shoulder beaded chain, fitted open-back silhouette, formal prom gownPortia and Scarlett PS26115 Black champagne beige prom dress back view with fully open back, sequin lace, sweep train, fitted silhouette, pageant evening gown
Portia and Scarlett PS26118 White Black Polka Dot prom strapless corset two-piece satin polka-dot gown with boning, ruched waist, fitted floor-length skirt, front view, formal prom gownPortia and Scarlett PS26118 Black White Polka Dot prom strapless corset two-piece polka-dot satin gown with draped sash, fitted silhouette, front view, evening gown
Portia and Scarlett PS26144 Leopard prom dress front view fully covered leopard sequins strapless sweetheart mermaid gown formal prom gownPortia and Scarlett PS26144 Leopard prom dress detail view structured boning corset sweetheart bodice leopard sequin surface evening gown
Portia and Scarlett PS25988C gold fully-beaded high-neck fitted prom gown with beaded fringe skirt, open back, high slit, editorial view, formal prom gownPortia and Scarlett PS25988C gold beaded fitted prom dress open back view showing fully bare back from shoulders to waistline, evening gown
Portia and Scarlett PS26011 Blush Pink prom dress full view with sequin beading and 3D floral appliqués, fitted silhouette, high slit, sweep train, formal prom gownPortia and Scarlett PS26011 Blush Pink prom dress back view with mesh overlay, boning channels visible, high-back covered construction, evening gown
Portia and Scarlett PS26089 pink prom dress front view fully beaded fitted V-neck gown with sweep train and illusion plunge formal prom gownPortia and Scarlett PS26089 pink prom dress back view open back beaded mesh overlay fitted silhouette sweep train evening gown
Portia and Scarlett PS26006 black prom dress front view fully beaded mesh fitted gown with high slit strapless scoop neckline formal prom gownPortia and Scarlett PS26006 black prom dress back view fully open back beaded fitted gown with sweep train strapless silhouette evening gown
Portia and Scarlett PS26073 Black prom dress front view strapless beaded corset gown with illusion mesh panel high slit and sweep train formal prom gownPortia and Scarlett PS26073 Black prom dress back view fully open back strapless beaded corset gown with illusion panel and sweep train evening gown
Portia and Scarlett PS26005 ivory-champagne beige prom dress front view with floral lace appliqués over sheer mesh, boned corset bodice, strapless mermaid silhouette, formal prom gownPortia and Scarlett PS26005 ivory-champagne beige prom dress back view showing full open back to waist, floral lace mermaid gown with sweep train, pageant gown styling
Portia and Scarlett PS25331 Silver prom dress front view fully beaded strapless sweetheart fitted gown with boning open back and sweep train formal prom gownPortia and Scarlett PS25331 Black prom dress back view strapless beaded fitted gown with lace-up open back corset closure and full back exposure evening gown
Portia and Scarlett PS25331 Sale price$658 USD
Portia and Scarlett PS25626E champagne fully beaded fitted prom gown front view with crystal hot-stone embellishment sweetheart corset bodice high slit formal prom gownPortia and Scarlett PS25626E champagne beaded fitted prom gown back view lace-up open crisscross back sweep train pageant gown styling
Portia and Scarlett PS26020 silver prom dress with micro-sequin mesh fabric, 3D rose halter neckline, keyhole cutout bodice, fitted silhouette, front view, formal prom gownPortia and Scarlett PS26020 silver prom dress with fully open back from neck to waist, sweep train, sequin mesh construction, back view, pageant gown
Portia and Scarlett PS26016 Hot-Stone Fitted Strapless Sweetheart GownPortia and Scarlett PS26016 Hot-Stone Fitted Strapless Sweetheart Gown
Portia and Scarlett PS26033 silver prom dress front view with beaded sequin mesh illusion sweetheart fitted silhouette formal prom gownPortia and Scarlett PS26033 silver prom dress back view with open crisscross lace-up closure boning channels illusion back fitted gown evening gown
Portia and Scarlett PS25634E Black prom dress with velvet fitted skirt, fully beaded sweetheart bodice, beaded cape, and high front slit, front view, formal prom gownPortia and Scarlett PS25634E Black prom dress with open back framed by beaded cape, vertical boning channels, and sweep train, back view, evening gown
Portia and Scarlett PS26002 Black prom dress front view with beaded pearl crystal corset bodice fitted silhouette sweep train formal prom gownPortia and Scarlett PS26002 Black prom dress back view showing illusion mesh corset panel boning channels strapless fitted gown evening gown
Portia and Scarlett PS26042 Black prom dress front view hot-stone strapless corset crop top with stretch satin fitted skirt and sweep train, formal prom gownPortia and Scarlett PS26042 Black prom dress back view showing full lace-up open back and satin scarf drape over crisscross closure with sweep train, evening gown
Portia and Scarlett PS26052 Light Blue prom dress front view with beaded lace mesh floral appliqués, fitted corset silhouette, formal prom gownPortia and Scarlett PS26052 Light Blue prom dress back view showing open back, train, and beaded floral lace detail, fitted corset prom gown
Portia and Scarlett PS26010 cobalt blue front prom dress in all-over glitter jersey with strapless sweetheart neckline, fitted mermaid silhouette, formal prom gownPortia and Scarlett PS26010 cobalt blue back prom dress showing fully open back, all-over glitter stretch jersey, mermaid sweep train, evening gown
Portia and Scarlett PS26041 silver front view strapless beaded corset fitted prom dress with stretch satin skirt, high slit, and sweep train, formal prom gownPortia and Scarlett PS26041 silver back view strapless beaded corset fitted prom dress with fully open back, stretch satin skirt, and sweep train, evening gown
Portia and Scarlett PS26022 black prom dress front view with beaded tulle, sweetheart neckline, boned corset bodice, fitted silhouette, formal prom gownPortia and Scarlett PS26022 black prom dress back view with fully open back, beaded tulle train, sleeveless corset construction, evening gown for prom
Portia and Scarlett PS25339 Black prom dress in stretch jersey with sweetheart neckline midriff cut-outs gold ring hardware and high front slit front view formal prom gownPortia and Scarlett PS25339 Black prom dress showing fully open back with spaghetti straps and slight train back view evening gown red carpet styling
Portia and Scarlett PS25339 Sale price$328 USD
Portia and Scarlett PS25320 emerald and fuchsia prom strapless sweetheart metallic jersey fitted gown with beaded bodice and ruching front view formal prom gownPortia and Scarlett PS25320 emerald and fuchsia prom strapless open back metallic jersey fitted gown with ruching and sweep train back view evening gown
Portia and Scarlett PS25320 Sale price$495 USD
Portia and Scarlett PS25313 pink prom dress front view fully beaded strapless sweetheart corset fitted gown with sequin fringe train formal prom gownPortia and Scarlett PS25313 pink prom dress back view open back strapless beaded corset fitted gown with sequin fringe tulle sweep evening gown
Portia and Scarlett PS25313 Sale price$614 USD
Portia and Scarlett PS26008 black prom gown editorial view with beaded mesh corset bodice, pearl embellishment, fitted stretch jersey skirt, formal prom gownPortia and Scarlett PS26008 black prom gown back view with open back, illusion mesh boning channels, pearl beading on corset, evening gown
Portia and Scarlett PS25323 purple prom dress front view with sequin fabric, cut-out waist panels, strapless sweetheart neckline, fitted silhouette, formal prom gownPortia and Scarlett PS25323 purple prom dress back view showing full open back, train, 3D floral shoulder detail, sequin surface, evening gown
Portia and Scarlett PS25323 Sale price$658 USD
Portia and Scarlett PS25230 Fuchsia prom dress front view with glitter stretch jersey, diagonal ruching and waist knot, fitted strapless sweetheart gown, cocktail party dressPortia and Scarlett PS25230 Fuchsia prom dress back view with glitter stretch jersey, fully open back and sweep train, fitted sleeveless silhouette, formal prom gown
Portia and Scarlett PS25230 Sale price$328 USD
Portia and Scarlett PS25332 blue prom dress with allover sequin and bead scallop pattern, deep v-neck, mermaid silhouette, front view, formal prom gownPortia and Scarlett PS25332 blue prom dress with fully open back, allover beaded embellishment, mermaid silhouette, back view, pageant gown red carpet styling
Portia and Scarlett PS25332 Sale price$614 USD
Portia and Scarlett PS25278 Red prom dress front view with sequin beaded lace, sweetheart neckline, fitted corset silhouette, formal prom gownPortia and Scarlett PS25278 Black Silver prom dress back view with lace crisscross closure, beaded train, fitted silhouette, evening gown for formal events
Portia and Scarlett PS25278 Sale price$702 USD
Portia and Scarlett PS26007 red strapless pearl-beaded corset mermaid gown with jersey skirt and sweep train, front view, formal prom gownPortia and Scarlett PS26007 red strapless corset mermaid gown crisscross lace-up back closure with pearl beading and boning channels, back view, prom gown
Portia and Scarlett PS25329 champagne beige prom dress front view with hot-stone embellishment, sweetheart neckline, crystal cut-outs, fitted silhouette, formal prom gownPortia and Scarlett PS25329 champagne beige prom dress back view with fully open back, thin crossing straps, hot-stone coverage, sweep train, evening gown
Portia and Scarlett PS25329 Sale price$702 USD
Portia and Scarlett PS26000 pink floral prom gown front view with floral satin, boned sweetheart corset bodice, mermaid silhouette, formal prom gownPortia and Scarlett PS26000 pink floral prom gown back view with open back, spaghetti straps, sweep train, evening gown
Portia and Scarlett PS25301 Blue and Blush Pink front editorial view fully beaded glitter halter mermaid gown with court train, formal prom gownPortia and Scarlett PS25301 Blush Pink back view fully beaded glitter open-back halter mermaid prom gown with boning and court train, evening gown
Portia and Scarlett PS25301 Sale price$658 USD
Portia and Scarlett PS25250 blue strapless prom gown with lace bodice, tiered organza ruffle skirt, high slit, boned corset, and open back, formal prom gownPortia and Scarlett PS25250 back view in white ivory blue black pink strapless prom gown with fully open back, lace corset bodice, organza ruffles, and sweep train, evening gown
Portia and Scarlett PS25250 Sale price$790 USD
Portia and Scarlett PS25269 lilac purple and pink front editorial prom dress with sequin tulle, 3D floral appliqués, strapless sweetheart corset bodice, formal prom gownPortia and Scarlett PS25269 blue back view prom dress with open back boned corset, sequin tulle tiered skirt, fitted silhouette, evening gown
Portia and Scarlett PS25269 Sale price$702 USD
Portia and Scarlett PS25203 Lilac prom dress front view with stretch satin, beaded sweetheart neckline, boned corset bodice, high slit, formal prom gownPortia and Scarlett PS25203 Hot Pink prom dress front view with stretch satin, rhinestone spaghetti straps, fitted corset silhouette, high slit, evening gown
Portia and Scarlett PS25203 Sale price$438 USD

Long Dresses to Wear to a Wedding as a Guest – Elegant Styles for Formal & Evening Events

Choosing long dresses to wear to a wedding as a guest is often the best option when you want a look that feels elevated, refined, and appropriate for more formal occasions. Long silhouettes naturally create a polished appearance, making them ideal for evening weddings, black tie events, and upscale venues.

At Marlas Fashions, this collection is curated for guests who want a dress that makes an impact without feeling overdone. From sleek, structured gowns to soft, flowing designs, each piece is selected to help you feel confident and event-ready.

These dresses are designed to move effortlessly from ceremony to reception while maintaining a sophisticated and well-balanced look.

When to Choose a Long Wedding Guest Dress

Long dresses are most appropriate when the event calls for a higher level of formality. Evening weddings, black tie receptions, and ceremonies held in formal venues typically require a more elevated approach to dressing.

Choosing a long dress removes uncertainty—it immediately signals that your outfit aligns with the tone of the event. This makes it one of the most reliable choices when you want to feel appropriately dressed without second-guessing your look.

Start with: Formal Wedding Guest Dresses

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Types of Long Dresses That Work for Wedding Guests

Structured Evening Gowns

Structured gowns offer clean lines and a tailored fit, creating a more modern and refined look. These styles are ideal for formal weddings where a polished appearance is expected.

They are especially effective for indoor venues and evening events.

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Flowy Floor-Length Dresses

Flowy long dresses create movement and softness, making them a strong option for weddings that combine elegance with a more relaxed atmosphere. These designs feel lighter while still maintaining a full-length silhouette.

They are often chosen for outdoor or seasonal weddings where comfort is important.

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Minimalist Long Dresses

Minimalist designs focus on fabric and fit rather than heavy embellishment. These dresses create a refined and understated look that feels modern and intentional.

They are ideal for guests who prefer a clean and effortless aesthetic.

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Choosing the Right Fabric for Long Dresses

Fabric plays a major role in how your dress moves and how formal it feels. The right material ensures your dress maintains its structure while still allowing comfort.

  • Satin: smooth and polished for formal events
  • Chiffon: lightweight with natural movement
  • Crepe: structured and modern
  • Velvet: rich and ideal for cooler seasons

Browse: Sequin Dresses

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How to Style a Long Wedding Guest Dress

Styling a long dress is about maintaining balance. Because the silhouette already creates impact, accessories should enhance the look without overwhelming it.

Heels are essential for maintaining proportion, while minimal jewelry keeps the outfit refined. A structured clutch or light outer layer can complete the look without taking attention away from the dress.

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Comfort and Movement in Long Dresses

While long dresses are more formal, they should still allow you to move comfortably. Features such as slits, flowy fabrics, and thoughtful construction make it easier to walk, sit, and enjoy the event.

Choosing a dress that combines structure with flexibility ensures you feel confident throughout the entire occasion.

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Why Shop Long Wedding Guest Dresses at Marlas Fashions?

  • Authorized retailer – all dresses are authentic and brand new
  • Curated selection of long dresses for formal and evening weddings
  • Fast shipping across Canada, USA, and worldwide
  • Over 30 years of experience in special occasion fashion
  • Dedicated support to help you choose the perfect style