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 - 31 of 31 Items

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Eliana Strapless Corset Satin Wedding Dress

Eliana Strapless Corset Satin Wedding Dress

Stretch Satin

Eliana
$900.00 USD
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 Taffeta Party Dress

Amira Mini Black Taffeta Party Dress

Taffeta

Amira mini
$480.00 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
Andrea 3-Piece Satin Bridal Suit with Palazzo Pants

Andrea 3-Piece Satin Bridal Suit with Palazzo Pants

Stretch Satin

Andrea
$680.00 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 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
Riley Red Satin Off-Shoulder Dress with Slit

Riley Red Satin Off-Shoulder Dress with Slit

Stretch Satin

Riley
$580.00 USD
Rihanna Red Satin Corset A-Line Gown

Rihanna Red Satin Corset A-Line Gown

Satin

Rihanna
$690.00 USD
Ingrid Red Silk Corset Evening Gown with Slit

Ingrid Red Silk Corset Evening Gown with Slit

Silk

Ingrid
$590.00 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
Viola Green Midi Dress

Viola Green Midi Dress

Stretch Crepe

Viola
$390.00 USD
Black Silk Backless Halter Gown

Black Silk Backless Halter Gown

Silk

Mary
$480.00 USD
Ash Silk Backless Halter Dress

Ash Silk Backless Halter Dress

Silk

Mary
$480.00 USD
Emerald Green Silk Halter Gown

Emerald Green Silk Halter Gown

Silk

Mary
$480.00 USD
Joan red chiffon formal dress

Joan red chiffon formal dress

Chiffon

Joan
$580.00 USD
Audrey Minimalist Stretch Satin Dress

Audrey Minimalist Stretch Satin Dress

Stretch Satin

Audrey
$530.00 USD
Outlet
Gabby Red Chiffon Evening Dress

Gabby Red Chiffon Evening Dress

Chiffon

Gabby
$270.00 USD$540.00 USD
Outlet
Gabby Blue Chiffon Evening Dress

Gabby Blue Chiffon Evening Dress

Chiffon

Gabby
$270.00 USD$540.00 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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