Ellie Wilde EW37042 Sequin Mermaid Prom Gown Long

Ellie Wilde EW37042 Emerald Green front view strapless sweetheart sequin mermaid prom gown with full-length floral appliqué beading sweep train and open back formal prom gown

Ellie Wilde EW37042 Sequin Floral Appliqué Strapless Mermaid Gown with Train

$ 10,732

Size :

Color :

Emerald Green

Size :

Color :

Emerald Green

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How do I find my size in Ellie Wilde EW37042, and how does the fit run compared to regular sizing?

Ellie Wilde EW37042 uses standard US bridal sizing, which typically runs one to two full sizes smaller than regular US retail or junior sizing. That means if you wear a US 6 in everyday clothes, you will likely need an EW37042 in a size 8 or even 10 — this is completely normal for this construction and is not an error in the size chart. To find your correct size, take three measurements: your full bust (across the fullest part), your natural waist (the narrowest point, usually about an inch above the navel), and your fullest hip (usually about seven to nine inches below the waist). Write all three numbers down and compare them against the Ellie Wilde size chart, not just one measurement. The largest of those three numbers — whichever size it corresponds to — determines your starting size. If your bust and hip measurements point to different sizes, size up to the larger and plan to have the bodice taken in if needed, rather than sizing down and risking a hip fit that is too tight. The bodice of EW37042 is boned and structured, and the sweetheart cups are shaped to hold without straps. For this to work correctly, the bodice needs to fit snugly — not uncomfortably tight, but with no gapping at the cups and no fabric pulling across the chest. The mermaid skirt is close-fitted through the hips and upper thigh, then releases into the flare below the knee. The hip and thigh fit is the most difficult area to alter in a mermaid gown, so it is worth spending a few extra minutes measuring accurately before ordering. If you are taller than 5'7", the sweep train will fall at a good length for most formal venues. If you are petite — under 5'3" — a small hem shortening at the front of the skirt is typically all that is needed, and it does not affect the train. Plan any alterations after the gown arrives and you have had a fitting in your shoes. If you are unsure between two sizes or have questions about your specific measurements, reach out to the Marlas Fashions concierge team by text at +1 416-536-2956 or WhatsApp at +1 213-868-3131 — the team can walk through your numbers with you and give a recommendation based on experience with this specific Ellie Wilde style.

What events is Ellie Wilde EW37042 suited for, and where would it be out of place?

Ellie Wilde EW37042 is designed for formal, high-embellishment events where a full-length gown with serious visual impact is expected and appropriate. The all-over sequin and bead floral appliqué construction, open back through the full torso, and sweep train all point toward the same category of event: a room where the dress is meant to be noticed. Prom is the clearest fit. The gown hits every mark — full-length, heavily embellished, dramatic silhouette, available in the jewel tones and cool-blue shades that photograph well under prom venue lighting. Any of the four colorways works for prom, and the structured strapless bodice means you can dance without worrying about the neckline. Formal galas and evening events are an equally strong match. The sweep train and open back give the gown a red-carpet presence that works well in ballroom or upscale event settings. If you are attending a charity gala, a formal awards evening, or a black-tie adjacent event where a long gown is expected, EW37042 delivers the right level of formality. Pageant competitions are another realistic use. The full-coverage beading and sequin work, combined with the mermaid silhouette and the way the floral appliqués catch stage lighting, makes this gown well-suited to competition or stage appearances where embellishment and presence matter. Where it works less well: the open back and mesh side panels suit evening and black-tie receptions best, so a more covered style is usually the better choice for conservative wedding-guest settings; the gown is also too formal and too fitted for casual cocktail or semi-formal occasions. Military ball is also ruled out because of the open back. If you are deciding between colorways for a specific event, Dusk photographs well under cool venue lighting, Royal Blue and Emerald read as saturated jewel tones under warm stage or ballroom lighting, and Dark Plum is a rich choice for autumn and winter events.

What do the four colors of Ellie Wilde EW37042 actually look like, and how do I choose between them?

All four colorways of EW37042 use the same sequin and bead floral appliqué construction, so the difference is entirely in color tone. Dusk is a periwinkle with steel-blue undertones — it reads as a cool, slightly lavender-tinted blue under most lighting and photographs in the blue-to-purple range depending on the light source. Emerald is a deep forest green, saturated and rich rather than bright or lime-toned. Royal Blue is a pure, bold jewel-toned blue — the most vivid of the four and the one that shows the floral appliqués most clearly under stage or venue lighting. Dark Plum is a deep eggplant purple, a strong choice if you want a color that reads as formal and dramatic without being a traditional blue or green. All four colorways are photographed on the product page, so you can see the actual gown rather than a color swatch. The editorial images (positions 5 and 7) show multiple colorways together, which is useful for comparing the relative depth and tone of each color. If your venue has warm amber lighting, the jewel tones — Emerald, Royal Blue, Dark Plum — will be the most vivid. Dusk may read slightly more muted under warm light but photographs beautifully in natural or cool-balanced light. If you have a specific venue color scheme or a photo backdrop in mind, that is the most reliable way to narrow the choice.

What does the back of Ellie Wilde EW37042 look like, and is there any support built in?

The back of EW37042 is fully open through the torso. The sequin fabric frames the back on either side but the skin of the full back is exposed from below the shoulder blades down to approximately the top of the skirt. There is no lacing, panel, or closure in the back — it is a clean open back. Support comes entirely from the structured, boned front bodice. The sweetheart cups are shaped and boned to hold in place without any back closure pulling them up. This means the bodice fit needs to be precise — if the sweetheart cups are even slightly too large, there is no back strap to compensate. Stick-on adhesive bra cups or fashion tape along the inner cup edge are useful for extra security if you plan to dance or move actively. Because of the full open back, a traditional bra is not wearable with this gown. The open-back construction is part of the design and is consistent across all four colorways. If a fully open back is not appropriate for your venue or event, EW37042 would not be the right choice, and the Marlas Fashions team can suggest alternative Ellie Wilde styles with covered backs.

Does Ellie Wilde EW37042 have a train, and how do I handle it during the event?

Yes — EW37042 has a sweep train, meaning the back hem extends past floor length by a short sweep rather than a full cathedral length. A sweep train is the most manageable train length for events where you will be standing, walking, and dancing. It photographs well and adds formality without requiring you to carry it. For most prom and gala venues with smooth floors, a sweep train moves with the gown naturally. On carpeted or textured surfaces, you may want to ask your seamstress to add a small loop or bustle point so you can lift the train when moving through crowds or stairs. A basic French bustle requires only one or two anchor points in the seam and does not alter the gown permanently. If you plan to have the gown hemmed for height reasons, let your seamstress know you want to preserve the train length proportionally rather than cutting a uniform hem all the way around. A skilled bridal or formal-wear seamstress will know how to handle this — it is a standard adjustment for mermaid gowns with trains.

Can Ellie Wilde EW37042 be altered, and should I plan alterations before or after it arrives?

EW37042 can be altered, but the degree of alteration depends on where the fit issue is. The bodice — taking in the cups, adjusting the side seams at the waist — is straightforward for any seamstress experienced with boned formal gowns. The mermaid skirt seams can be let out or taken in through the hip and thigh if the adjustment needed is small, but the sequin and bead coverage means seam work is more time-consuming than on a plain fabric gown and should be budgeted accordingly. Always order the gown first and have a fitting before scheduling alterations. Sizing changes during shipping, storage, or minor body fluctuations are common, so the safest approach is to try the gown on in your event shoes before deciding exactly what needs to change. Book your seamstress appointment for after the gown arrives, not before. For hem length, a sweep train adjustment at the front is a simple alteration. If you are petite and need the front hem raised, this does not affect the train and is one of the most common adjustments made to floor-length mermaid gowns. Marlas Fashions recommends working with a seamstress who has experience with beaded or sequin formal gowns specifically — the embellishment on EW37042 adds handling time compared to unembellished fabric and an experienced hand will know how to protect the appliqués during the process.

How long does shipping take for Ellie Wilde EW37042, and where does Marlas Fashions ship from?

Marlas Fashions ships Ellie Wilde EW37042 with an estimated delivery window of 7 to 12 business days from order confirmation. US and international orders ship from warehouses in Los Angeles and New York. Canadian orders ship from the Toronto warehouse, and no duties are charged on shipments to US or Canadian addresses. Worldwide tracked shipping is available, so you will receive a tracking number once your order ships. If you need the gown by a specific date — for a prom, a formal event, or a pageant — rush shipping is available. Contact the team before placing your order to confirm rush availability for your destination and to get an accurate delivery estimate based on current stock and your location. When planning your timeline, factor in time for a fitting and any alterations after the gown arrives. For a prom or formal event, ordering at least six to eight weeks before the date gives a comfortable buffer for standard shipping plus alteration time.

What is the return and exchange policy for Ellie Wilde EW37042 at Marlas Fashions?

Marlas Fashions accepts returns on Ellie Wilde EW37042 in three ways: store credit (which never expires), an exchange for a different style or size, or a refund with a 30% restocking fee deducted. To qualify for any return, the gown must be unworn, unaltered, and in its original condition with tags attached. If the gown has been altered — even a hem shortening — it cannot be returned, so it is important to complete your return decision before taking the gown to a seamstress. If you receive the gown and the fit is not right, the exchange option is often the most practical path: return the current size and receive the correct size without the restocking fee applying to a simple size swap. Contact the Marlas Fashions team promptly after the gown arrives if you think a size exchange may be needed, as prompt communication makes the process faster. Store credit is a strong option if you are not sure yet which direction you want to go — it never expires, so there is no pressure to use it immediately.

Ellie Wilde EW37042 Sequin Floral Appliqué Strapless Mermaid Gown

About the Dress: Ellie Wilde EW37042

Fit & Silhouette

Fabric & Detail

Key Features

Style & Occasion

Your Dress — Delivered in Days, Not Weeks.

WE ACCEPT RETURNS!

ORDER CHANGES & CANCELLATIONS

Frequently Asked Questions

Price Match Guarantee

Easy
Returns

Worldwide
Shipping

Ellie Wilde · EW37042 Sequin Floral Appliqué Strapless Mermaid Gown

About the Dress: Ellie Wilde EW37042

Fit & Silhouette

Fabric & Detail

Key Features

Style & Occasion

Your Dress — Delivered in Days, Not Weeks.

WE ACCEPT RETURNS!

ORDER CHANGES & CANCELLATIONS

Frequently Asked Questions

Get on the list

Price Match Guarantee

Easy Returns

Worldwide Shipping

Ellie Wilde EW37042 Sequin Floral Appliqué Strapless Mermaid Gown

Easy
Returns

Worldwide
Shipping