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.


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Luna Lace & Pleated Tulle Mini Wedding Dress

Luna Lace & Pleated Tulle Mini Wedding Dress

Lace, Pleated Tulle

Luna
$570.00 USD
Malika Strapless Silk Taffeta Balloon Skirt Dress

Malika Strapless Silk Taffeta Balloon Skirt Dress

Taffeta

Malika
$600.00 USD
Linette Short Two-Piece Wedding Dress Set

Linette Short Two-Piece Wedding Dress Set

Stretch Crepe

Linette
$270.00 USD
Rose Ivory Mini Satin & Organza Corset Dress

Rose Ivory Mini Satin & Organza Corset Dress

Satin, Organza

Rose mini
$390.00 USD
Rosalina Minimalist Two-Piece Crepe Bridal Set

Rosalina Minimalist Two-Piece Crepe Bridal Set

Stretch Crepe

Rosalina
$460.00 USD
Rose Powder Mini Satin & Organza Corset Dress

Rose Powder Mini Satin & Organza Corset Dress

Satin, Organza

Rose mini
$390.00 USD
Ivory Silk Backless Halter Dress

Ivory Silk Backless Halter Dress

Silk

Mary
$480.00 USD
Yellow Silk Backless Halter Dress

Yellow Silk Backless Halter Dress

Silk

Mary
$480.00 USD
Ivory Chiffon Halter Open Back Dress

Ivory Chiffon Halter Open Back Dress

Chiffon

Calypso
$570.00 USD
Isa Tiffany Blue Flowy Chiffon Dress

Isa Tiffany Blue Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Isa Ivory Flowy Chiffon Dress

Isa Ivory Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Isa Ash Flowy Chiffon Dress

Isa Ash Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Isa Peach Flowy Chiffon Dress

Isa Peach Flowy Chiffon Dress

Chiffon

Isa
$590.00 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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