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 - 15 of 15 Items

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Pina Black Mikado Formal Dress

Pina Black Mikado Formal Dress

Mikado

Pina
$650.00 USD
Pina Contrast Bodice Mermaid Gown

Pina Contrast Bodice Mermaid Gown

Mikado

Pina
$650.00 USD
Pina Structured Black and White Evening Dress

Pina Structured Black and White Evening Dress

Mikado

Pina
$650.00 USD
Amira Mini Black Corset Dress with Ivory Skirt

Amira Mini Black Corset Dress with Ivory Skirt

Taffeta

Amira mini
$480.00 USD
Amira Mini Black Taffeta Party Dress

Amira Mini Black Taffeta Party Dress

Taffeta

Amira mini
$480.00 USD
Casia Mini Black Satin Dress with Bubble Skirt

Casia Mini Black Satin Dress with Bubble Skirt

Satin

Casia mini
$380.00 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
Athena Black Silk Satin Slip Dress with Shawl

Athena Black Silk Satin Slip Dress with Shawl

Silk

Athena
$680.00 USD
Julia Black Satin One-Shoulder Column Midi Dress

Julia Black Satin One-Shoulder Column Midi Dress

Satin

Julia midi
$360.00 USD
Francesca Black Strapless Drop Waist Ball Gown

Francesca Black Strapless Drop Waist Ball Gown

Satin

Francesca
$770.00 USD
Barbara Midi Black Satin Corset Cocktail Dress

Barbara Midi Black Satin Corset Cocktail Dress

Satin

Barbara midi
$450.00 USD
Amber Black High-Low Evening Gown

Amber Black High-Low Evening Gown

Taffeta

Amber
$650.00 USD
Viola Black Midi Dress

Viola Black Midi Dress

Stretch Crepe

Viola
$390.00 USD
Black Silk Backless Halter Gown

Black Silk Backless Halter Gown

Silk

Mary
$480.00 USD
Short Black Organza Babydoll Dress Leoni

Short Black Organza Babydoll Dress Leoni

Organza

Leoni
$320.00 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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