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Women's Mermaid Formal Dresses & Evening Gowns

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Adrianna Papell Crew Neck Sleeveless Cascading Ruffle High-Low Dress

Adrianna Papell Crew Neck Sleeveless Cascading Ruffle High-Low Dress

Betsy & Adam Scuba Crepe Asymmetric One Shoulder Short Sleeve Mermaid Gown

Betsy & Adam Scuba Crepe Asymmetric One Shoulder Short Sleeve Mermaid Gown

Betsy & Adam Satin Bow One Shoulder Scuba Crepe Sleeveless Mermaid Gown

Betsy & Adam Satin Bow One Shoulder Scuba Crepe Sleeveless Mermaid Gown

Xscape Stretch Off-the-Shoulder Short Sleeve Mermaid Ruffle Gown

Xscape Stretch Off-the-Shoulder Short Sleeve Mermaid Ruffle Gown

Terani Couture Mikado One Shoulder Rosette Applique Train Gown

Terani Couture Mikado One Shoulder Rosette Applique Train Gown

Terani Couture Mikado One Shoulder Ruffle Sleeve Sequin Applique Gathered Side Slit Gown

Terani Couture Mikado One Shoulder Ruffle Sleeve Sequin Applique Gathered Side Slit Gown

Betsy & Adam Drape Back Detail 3/4 Cape Sleeve Draped Round Neck Metallic Crinkle Ruched Sheath Gown

Betsy & Adam Drape Back Detail 3/4 Cape Sleeve Draped Round Neck Metallic Crinkle Ruched Sheath Gown

Terani Couture Off-the-Shoulder Pleated Floral Beaded Bodice Mermaid Gown

Terani Couture Off-the-Shoulder Pleated Floral Beaded Bodice Mermaid Gown

PLACEHOLDER Crew Neck Sleeveless Cascading Ruffle High-Low Dress

Mac Duggal Crepe Strapless 3D Flower Pattern Mermaid Gown

Save on Select Items

Betsy & Adam Off-The-Shoulder Cap Sleeve Stretch Jacquard Brocade Mermaid Gown

PLACEHOLDER Crew Neck Sleeveless Cascading Ruffle High-Low Dress

Adrianna Papell One Shoulder Sleeveless Cascading Ruffle Draped Mermaid Gown

Lauren Ralph Lauren Velvet Asymmetrical Off The Shoulder Neck Long Sleeve Slim Fit Gown

PLACEHOLDER Crew Neck Sleeveless Cascading Ruffle High-Low Dress

R & M Richards Embroidered Sequin Power Mesh Empire Waist Short Flutter Sleeve Gown

Xscape Plus Size Long Sleeve V-Neck Crystal Beaded Gown

PLACEHOLDER Crew Neck Sleeveless Cascading Ruffle High-Low Dress

Terani Couture Off-The-Shoulder Ruffle Front Metallic Jacquard Mermaid Gown

Terani Couture Off-The-Shoulder Ruched Bodice With Beading Mikado Mermaid Gown

Jessica Howard 3/4 Sleeve Asymmetrical Neck Bow Shoulder Side Tuck Gown

R & M Richards Plus Size Embroidered Sequin Power Mesh Empire Waist Short Flutter Sleeve Gown

Betsy & Adam Petite Size Draped Back 3/4 Cape Sleeve Round Neck Metallic Crinkled Ruched Sheath Gown

Honey and Rosie Halter V-Neck Tie Back Cummerbund Waist Gown

Xscape Petite Size Foil Knit Off The Shoulder Gown

Eliza J Stretch Off-the-Shoulder Sleeveless Gown

Mac Duggal Sequin Mesh Plunge V-Neck Short Sleeves Column Gown

Marchesa Muse by Marchesa Cypress Corded Lace Floral Applique Sweetheart Neckline Long Sleeve Mermaid Dress

Dillard's Exclusive

See all 7 colors >

Terani Couture Stretch Mikado Embellished Strapless Ruffle Mermaid Gown

Internet Exclusive

Terani Couture One Shoulder Asymmetric Mermaid Gown

Internet Exclusive

Only size 2, 8 available

Tadashi Shoji Ombre Sequin One Shoulder Cap Sleeve Mermaid Gown

Only size M, XL available

Terani Couture Embroidered Illusion Round Neck Long Sleeve Front Slit Ruffled Mermaid Gown

Internet Exclusive

Only size 22, 24 available

Mac Duggal Embellished Illusion V-Neck Sheer Butterfly Short Flutter Sleeve Sheath Gown

Xscape Stretch Velvet Off-the-Shoulder Strapless Sleeveless Mermaid Gown

Terani Couture Off-the-Shoulder Tulle Overlay Skirt Mikado Mermaid Gown

Betsy & Adam Petite Size Floral Embroidered Mesh Crew Neck Long Sleeve Tie Waist Gown

Xscape Scuba Crepe Mock Neck Illusion Sleeve Ruffle Front Gown

Betsy & Adam Stretch One Flutter Shoulder Mermaid Gown

Xscape Suba Strapless Ruched Side Ruffle Sheath Dress

Internet Exclusive

Terani Couture Brocade Strapless Sleeveless Gathered Side Ruffle Gown

Mac Duggal Crepe Mermaid Gown With Off-The-Shoulder Ruffle

R & M Richards Floral Print Sheer Organza Halter Neck High-Low Skirt Gown

Adrianna Papell Floral Jacquard One Shoulder Sleeveless Mermaid Gown

Adrianna Papell Chiffon Floral Print V-Neck Flutter Sleeve Tiered Gown

Only size 8 available

Honey and Rosie Lace Bodice Side Slit Ruffle Satin Mermaid Gown

Dress the Population Sandra Crepe Plunge V-Neck Sleeveless Side Slit Gown

ContemporaryInternet Exclusive

R & M Richards Sleeveless Keyhole Halter Neck Glitter Lace Long Dress

Adrianna Papell Stretch Taffeta Surplice Neck Sleeveless Bow Detail Mermaid Gown

Adrianna Papell Stretch Crepe Bow One Shoulder Mermaid Gown

Terani Couture Brocade Twisted Short Sleeve Beaded Waist Mermaid Gown

Honey and Rosie Velvet Halter Neck Mermaid Ballgown

Terani Couture One Shoulder 3D Ruffle Front Front Jacquard Mermaid Gown

See all 6 colors >

Terani Couture Beaded Off-the-Shoulder Mermaid Gown

R & M Richards Petite Size Sleeveless V-Neck Godet Skirt Embellished Long Sequin Gown

R & M Richards Scalloped Bodice Keyhole Neck Glitter Lace Mermaid Gown

B. Darlin Shiny Knit Strapless Sweetheart Neck Pleated Front Slit Dress

Betsy & Adam Plus Size Draped Back 3/4 Cape Sleeve Round Neck Metallic Crinkled Ruched Sheath Gown

Dress the Population Georgina Asymmetrical Neck Sleeveless Bow Shoulder Maxi Dress

Mac Duggal Faux Wrap Thigh High Slit V-Neck Sleeveless Gown

Internet Exclusive

B. Darlin Sequin Sheer/Nude Pattern V-Neck Spaghetti Strap Lace Up Back Dress

Eliza J Illusion Lace Neck Cap Sleeve V-Neck Mermaid Gown

Betsy & Adam Plus Size One Shoulder Long Sleeve Mesh Gown

Betsy & Adam Cowl Neck Sleeveless Draped Back Mermaid Gown

Adrianna Papell Crepe Beaded V-Neck Elbow Sleeve Mermaid Gown

Only size 6, 14 available

Midnight Doll Rhinestone Knot Criss Cross Strap V-Neck Dress

Eliza J V-Neck Pleated Waist Ruffle Skirt Slit Mermaid Gown

B. Darlin Sequin Pattern V-Neck Double Spaghetti Strap Lace Up Back Dress

R & M Richards Off-the-Shoulder Cap Sleeve Floral Lace Mermaid Gown

Terani Couture Sweetheart Neck Beaded Tulle Strapless Mermaid Gown

Xscape Plus Size One Shoulder Side Ruffle Scuba Crepe Gown

Terani Couture Satin Strapless Sleeveless Drape Side Mermaid Gown

Terani Couture Strapless Beaded Bow Detail Mikado Mermaid Gown

Internet Exclusive

Honey and Rosie Sateen V-Neck Sleeveless Lace Up Back Pleated Dress

Terani Couture 3D Flower Beaded Off The Shoulder Dress

Internet Exclusive

Honey and Rosie Tie Strap Ruched Side Slit Velvet Mermaid Gown

Terani Couture One Shoulder Beaded Tulle Mermaid Gown

Internet Exclusive

See all 7 colors >

Terani Couture Off-the-Shoulder Ruffle Front Mikado Gown

Terani Couture Jacquard Floral Off-the-Shoulder Long Sleeve Side Ruffle Feather Gown

Aidan Mattox V-Neck Sleeveless Front Slit Gown

Mac Duggal Mermaid Crepe Gown With Beaded Illusion Neck

Terani Couture Off-the-Shoulder Short Sleeve Peplum Beaded Applique Mermaid Gown

Adrianna Papell Jacquard Off-The-Shoulder Lace Mermaid Gown

Betsy & Adam Plus Size Asymmetrical Off-the-Shoulder Scuba Crepe Dress

Terani Couture V-Neck Asymmetrical Sleeve Beaded Waist Side Peplum Gown

Xscape Stretch Ruffled Off-the-Shoulder Rhinestone Mesh Side Gown

Terani Couture Sweetheart Neck 3D Ruffle Metallic Jacquard Mermaid Dress

Terani Couture Off Shoulder 1 Strap Jacquard Mermaid Gown

Terani Couture Pleated Off-the-Shoulder Short Sleeve Mermaid Gown

Dress the Population Elina Spaghetti Strap Cowl Neck Knit Mermaid Gown

Terani Couture Beaded Sweetheart Neck Sleeveless Mermaid Gown

Internet Exclusive

Terani Couture Taffeta Strapless Asymmetrical Bodice Two-Tone Drape Mermaid Dress

Xscape Stretch Scuba Crepe One Shoulder Ruffle Gown

Tadashi Shoji Embroidered Lace One Shoulder Bow Mermaid Gown

Mac Duggal Crepe One-Shoulder Neck Sleeveless Rosette Mermaid Gown

Mac Duggal Lace Overlay Jewel Encrusted Floral Surplice V-Neck Balloon Sleeve Column Mermaid Gown

Blondie Nites Sequin Floral Lace Corset Trumpet Dress

Mac Duggal Embroidered Floral Print Sweetheart Neck Sleeveless Mermaid Gown

Terani Couture Mikado 3D Fold Front Floral Applique Mermaid Gown

Internet Exclusive

Only size 4 available

Mac Duggal Gold Embellished Mesh Crew Neck Beaded Floral Shawl Mermaid Gown

Internet Exclusive

Morgan & Co. Glitter Lace Sweetheart Neck Illusion Corset Keyhole Back Dress

Morgan & Co.Glitter Lace Sweetheart Neck Illusion Corset Keyhole Back Dress

Internet ExclusiveJuniors