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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 - 38 of 38 Items

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Amira Mini Ivory Taffeta Corset Dress

Amira Mini Ivory Taffeta Corset Dress

Taffeta

$480.00 USD
Tutu Mini Short Tulle Corset Wedding Dress

Tutu Mini Short Tulle Corset Wedding Dress

Pleated Tulle

$490.00 USD
Pina Black Mikado Formal Dress

Pina Black Mikado Formal Dress

Mikado

$650.00 USD
Amira Mini Black Taffeta Party Dress

Amira Mini Black Taffeta Party Dress

Taffeta

$480.00 USD
Luna Lace & Pleated Tulle Mini Wedding Dress

Luna Lace & Pleated Tulle Mini Wedding Dress

Lace, Pleated Tulle

$570.00 USD
Lori Satin Off-Shoulder Mini Corset Wedding Dress

Lori Satin Off-Shoulder Mini Corset Wedding Dress

Stretch Satin

$480.00 USD
Penelope Lace Corset & Satin Mermaid Bridal Set

Penelope Lace Corset & Satin Mermaid Bridal Set

Stretch Satin, Lace

From $950.00 USD
Malika Strapless Silk Taffeta Balloon Skirt Dress

Malika Strapless Silk Taffeta Balloon Skirt Dress

Taffeta

$600.00 USD
Linette Short Two-Piece Wedding Dress Set

Linette Short Two-Piece Wedding Dress Set

Stretch Crepe

$270.00 USD
Ruta Mini Floral Lace Corset Wedding Dress

Ruta Mini Floral Lace Corset Wedding Dress

Lace

$560.00 USD
Casia Mini Ivory Satin Dress with Bubble Skirt

Casia Mini Ivory Satin Dress with Bubble Skirt

Satin

Casia mini
5.0(7)
$380.00 USD
Casia Mini Black Satin Dress with Bubble Skirt

Casia Mini Black Satin Dress with Bubble Skirt

Satin

$380.00 USD
Casia Mini Red Satin Dress with Bubble Skirt

Casia Mini Red Satin Dress with Bubble Skirt

Satin

$380.00 USD
Casia Mini Fuchsia Satin Dress with Bubble Skirt

Casia Mini Fuchsia Satin Dress with Bubble Skirt

Satin

$380.00 USD
Athena Silk Satin Slip Wedding Dress with Shawl

Athena Silk Satin Slip Wedding Dress with Shawl

Silk

$540.00 USD
Athena Red Silk Satin Slip Dress with Shawl

Athena Red Silk Satin Slip Dress with Shawl

Silk

$680.00 USD
Athena Black Silk Satin Slip Dress with Shawl

Athena Black Silk Satin Slip Dress with Shawl

Silk

$680.00 USD
Athena Chocolate Silk Satin Slip Dress with Shawl

Athena Chocolate Silk Satin Slip Dress with Shawl

Silk

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

Cami Short Mikado A-Line Corset Wedding Dress

Mikado Stretch

$450.00 USD
Riley Red Satin Off-Shoulder Dress with Slit

Riley Red Satin Off-Shoulder Dress with Slit

Stretch Satin

$580.00 USD
Rihanna Red Satin Corset A-Line Gown

Rihanna Red Satin Corset A-Line Gown

Satin

$690.00 USD
Ingrid Red Silk Corset Evening Gown with Slit

Ingrid Red Silk Corset Evening Gown with Slit

Silk

$590.00 USD
Amber Black High-Low Evening Gown

Amber Black High-Low Evening Gown

Taffeta

$650.00 USD
Ivory Silk Backless Halter Dress

Ivory Silk Backless Halter Dress

Silk

$480.00 USD
Black Silk Backless Halter Gown

Black Silk Backless Halter Gown

Silk

$480.00 USD
Yellow Silk Backless Halter Dress

Yellow Silk Backless Halter Dress

Silk

$480.00 USD
Emerald Green Silk Halter Gown

Emerald Green Silk Halter Gown

Silk

$480.00 USD
Ivory Chiffon Halter Open Back Dress

Ivory Chiffon Halter Open Back Dress

Chiffon

$570.00 USD
Light Blue Chiffon Halter Open Back Dress

Light Blue Chiffon Halter Open Back Dress

Chiffon

$570.00 USD
Powder Pink Chiffon Halter Open Back Dress

Powder Pink Chiffon Halter Open Back Dress

Chiffon

$570.00 USD
Gabi Ivory Short Strapless Draped Wedding Dress

Gabi Ivory Short Strapless Draped Wedding Dress

Stretch Satin

$450.00 USD
Assa Short Strapless Corset Dress

Assa Short Strapless Corset Dress

Mikado

$320.00 USD
Lucia red convertible corset evening gown with scarf

Lucia red convertible corset evening gown with scarf

Stretch Satin

$690.00 USD
Charlie Halter Plunge Mermaid Gown

Charlie Halter Plunge Mermaid Gown

Stretch Satin

$650.00 USD
Charlie Halter Ruched Mini Dress

Charlie Halter Ruched Mini Dress

Stretch Satin

$340.00 USD
Charissa Sparkly Tulle Mini Dress

Charissa Sparkly Tulle Mini Dress

Stretch Satin, Glitter Tulle

$380.00 USD
Black Strapless Draped Satin Mini Dress

Black Strapless Draped Satin Mini Dress

Stretch Satin

$450.00 USD
Chocolate Strapless Draped Satin Mini Dress

Chocolate Strapless Draped Satin Mini Dress

Stretch Satin

$450.00 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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