Evening Gowns & Formal Dresses for Women

Turn heads at your next special event. Explore our stunning collection of black-tie gowns, elegant cocktail dresses, and sophisticated formal wear.


Showing 1 - 42 of 46 Items

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Eliana Strapless Corset Satin Wedding Dress

Eliana Strapless Corset Satin Wedding Dress

Stretch Satin

Eliana
$900.00 USD
Kaira Off-Shoulder Satin Wedding Dress with Slit

Kaira Off-Shoulder Satin Wedding Dress with Slit

Stretch Satin

Kaira
$670.00 USD
Artemide Satin Lace-Up Corset Dress with Slit

Artemide Satin Lace-Up Corset Dress with Slit

Stretch Satin, Silk

Artemide
$590.00 USD
Penelope Lace Corset & Satin Mermaid Bridal Set

Penelope Lace Corset & Satin Mermaid Bridal Set

Stretch Satin, Lace

Penelope
From $950.00 USD
Elif 3-Piece Satin Bridal Suit with Lace Corset

Elif 3-Piece Satin Bridal Suit with Lace Corset

Stretch Satin, Lace

Elif
$760.00 USD
Paradise Ruffled Taffeta Off-Shoulder Wedding Dress

Paradise Ruffled Taffeta Off-Shoulder Wedding Dress

Taffeta

Paradise
$770.00 USD
Sonara Voluminous Taffeta Couture Ball Gown

Sonara Voluminous Taffeta Couture Ball Gown

Taffeta

Sonara
$980.00 USD
Ruta Midi Floral Lace Tea-Length Wedding Dress

Ruta Midi Floral Lace Tea-Length Wedding Dress

Lace

Ruta midi
$740.00 USD
Ruta Mini Floral Lace Corset Wedding Dress

Ruta Mini Floral Lace Corset Wedding Dress

Lace

Ruta mini
$560.00 USD
Rose Ivory Mini Satin & Organza Corset Dress

Rose Ivory Mini Satin & Organza Corset Dress

Satin, Organza

Rose mini
$390.00 USD
Andrea 3-Piece Satin Bridal Suit with Palazzo Pants

Andrea 3-Piece Satin Bridal Suit with Palazzo Pants

Stretch Satin

Andrea
$680.00 USD
Casia Mini Ivory Satin Dress with Bubble Skirt

Casia Mini Ivory Satin Dress with Bubble Skirt

Satin

Casia mini
$380.00 USD
Casia Mini Black Satin Dress with Bubble Skirt

Casia Mini Black Satin Dress with Bubble Skirt

Satin

Casia mini
$380.00 USD
Casia Mini Red Satin Dress with Bubble Skirt

Casia Mini Red Satin Dress with Bubble Skirt

Satin

Casia mini
$380.00 USD
Casia Mini Blue Satin Dress with Bubble Skirt

Casia Mini Blue Satin Dress with Bubble Skirt

Satin

Casia mini
$380.00 USD
Casia Mini Fuchsia Satin Dress with Bubble Skirt

Casia Mini Fuchsia Satin Dress with Bubble Skirt

Satin

Casia mini
$380.00 USD
Sale
Casia Ivory Midi Basque Waist Satin Wedding Dress

Casia Ivory Midi Basque Waist Satin Wedding Dress

Satin

Casia midi
$420.00 USD$560.00 USD
Sale
Casia Black Midi Basque Waist Satin Cocktail Dress

Casia Black Midi Basque Waist Satin Cocktail Dress

Satin

Casia midi
$450.00 USD$600.00 USD
Sale
Casia Red Midi Satin Basque Waist Party Dress

Casia Red Midi Satin Basque Waist Party Dress

Satin

Casia midi
$450.00 USD$600.00 USD
Sophie Strapless Midi A-Line Wedding Dress

Sophie Strapless Midi A-Line Wedding Dress

Mikado

Sophie midi
$580.00 USD
Athena Silk Satin Slip Wedding Dress with Shawl

Athena Silk Satin Slip Wedding Dress with Shawl

Silk

Athena
$540.00 USD
Athena Red Silk Satin Slip Dress with Shawl

Athena Red Silk Satin Slip Dress with Shawl

Silk

Athena
$680.00 USD
Athena Black Silk Satin Slip Dress with Shawl

Athena Black Silk Satin Slip Dress with Shawl

Silk

Athena
$680.00 USD
Athena Chocolate Silk Satin Slip Dress with Shawl

Athena Chocolate Silk Satin Slip Dress with Shawl

Silk

Athena
$680.00 USD
Cami Short Mikado A-Line Corset Wedding Dress

Cami Short Mikado A-Line Corset Wedding Dress

Mikado Stretch

Cami
$450.00 USD
Julia Chocolate Satin One-Shoulder Column Midi Dress

Julia Chocolate Satin One-Shoulder Column Midi Dress

Satin

Julia midi
$360.00 USD
Julia Emerald Satin One-Shoulder Column Midi Dress

Julia Emerald Satin One-Shoulder Column Midi Dress

Satin

Julia midi
$360.00 USD
Julia Powder Satin One-Shoulder Column Midi Dress

Julia Powder Satin One-Shoulder Column Midi Dress

Satin

Julia midi
$360.00 USD
Julia Black Satin One-Shoulder Column Midi Dress

Julia Black Satin One-Shoulder Column Midi Dress

Satin

Julia midi
$360.00 USD
Barbara Midi Powder Pink Satin Corset Dress

Barbara Midi Powder Pink Satin Corset Dress

Satin

Barbara midi
$450.00 USD
Barbara Midi Black Satin Corset Cocktail Dress

Barbara Midi Black Satin Corset Cocktail Dress

Satin

Barbara midi
$450.00 USD
Viola Black Midi Dress

Viola Black Midi Dress

Stretch Crepe

Viola
$390.00 USD
Viola Ivory Midi Dress

Viola Ivory Midi Dress

Stretch Crepe

Viola
$390.00 USD
Viola Blue Midi Dress

Viola Blue Midi Dress

Stretch Crepe

Viola
$390.00 USD
Lera Light Blue V-Neck Midi Dress

Lera Light Blue V-Neck Midi Dress

Stretch Crepe

Lera
$390.00 USD
Viola Terracotta Midi Dress

Viola Terracotta Midi Dress

Stretch Crepe

Viola
$390.00 USD
Viola Green Midi Dress

Viola Green Midi Dress

Stretch Crepe

Viola
$390.00 USD
Viola Powder Midi Dress

Viola Powder Midi Dress

Stretch Crepe

Viola
$390.00 USD
Powder Pink Chiffon Halter Open Back Dress

Powder Pink Chiffon Halter Open Back Dress

Chiffon

Calypso
$570.00 USD
Joan red chiffon formal dress

Joan red chiffon formal dress

Chiffon

Joan
$580.00 USD
Isa Light Blue Flowy Chiffon Dress

Isa Light Blue Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Audrey Ivory Organza Midi Dress

Audrey Ivory Organza Midi Dress

Satin, Organza

Audrey midi
$390.00 USD

Elegant Evening Gowns & Formal Dresses

Make a stunning entrance at your next special event with UNONA. From glamorous formal evening gowns to sophisticated wedding guest dresses, our collection is crafted to perfection. Whether you are attending a black-tie gala, searching for trendy prom dresses 2026, or needing a chic cocktail outfit, we have the perfect silhouette to match the occasion.

Prom & Gala Ready

Stand out on your big night with our exclusive prom dresses and red-carpet-worthy gowns. Choose from sweeping floor-length skirts, sleek bodycon fits, or eye-catching corset tops to make an unforgettable impression.

Wedding Guest Excellence

Navigate the dress code flawlessly with our curated selection of dresses for wedding guests. From romantic floral designs for spring ceremonies to elegant, dark, minimalist silhouettes for winter celebrations.

Chic Midi & Cocktail Styles

For a semi-formal event or a rehearsal dinner, a midi evening dress or a classy formal jumpsuit offers the perfect balance of modern sophistication and ultimate comfort.

The UNONA Experience

  • Premium Quality: Crafted in our own European design studio using luxurious satin, crepe, and chiffon.
  • Custom Fit Available: We offer custom tailoring for any formal dress so it fits you like a glove.
  • Worldwide Delivery: We ship globally with fast, trackable options (DHL, UPS, FedEx).
  • Zero Import Duties (US & EU): No hidden customs taxes upon delivery for orders shipped to the USA and European Union.

Frequently Asked Questions

For a black-tie event, we highly recommend a floor-length formal gown. Styles like our elegant A-line silhouettes, sleek mermaid dresses, or sophisticated drop-waist gowns are perfect choices that adhere to formal dress codes.

Yes! We believe every woman deserves to feel beautiful. In addition to our standard US sizes, we offer a custom tailoring service where the dress is made precisely to your unique measurements.

If your chosen dress is in our "Ready to Ship" section, delivery typically takes 7-12 business days. For made-to-order gowns, please allow 4-6 weeks for production plus shipping time. Rush options are available at checkout!

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