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 - 36 of 36 Items

Filter
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 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
Athena Chocolate Silk Satin Slip Dress with Shawl

Athena Chocolate Silk Satin Slip Dress with Shawl

Silk

Athena
$680.00 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
Rose Powder Mini Satin & Organza Corset Dress

Rose Powder Mini Satin & Organza Corset Dress

Satin, Organza

Rose mini
$390.00 USD
Riley Lavender Satin Gown with Lace-Up Back

Riley Lavender Satin Gown with Lace-Up Back

Stretch Satin

Riley
$580.00 USD
Rihanna Light Blue Satin Strappy Corset Gown

Rihanna Light Blue Satin Strappy Corset Gown

Satin

Rihanna
$690.00 USD
Rihanna Powder Pink Satin A-Line Corset Dress

Rihanna Powder Pink Satin A-Line Corset Dress

Satin

Rihanna
$690.00 USD
Barbara Midi Powder Pink Satin Corset Dress

Barbara Midi Powder Pink Satin Corset Dress

Satin

Barbara midi
$450.00 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
Black Silk Backless Halter Gown

Black Silk Backless Halter Gown

Silk

Mary
$480.00 USD
Yellow Silk Backless Halter Dress

Yellow Silk Backless Halter Dress

Silk

Mary
$480.00 USD
Peach Silk Backless Halter Dress

Peach Silk Backless Halter Dress

Silk

Mary
$480.00 USD
Ash Silk Backless Halter Dress

Ash Silk Backless Halter Dress

Silk

Mary
$480.00 USD
Powder Pink Silk Halter Dress

Powder Pink Silk Halter Dress

Silk

Mary
$480.00 USD
Light Blue Chiffon Halter Open Back Dress

Light Blue Chiffon Halter Open Back Dress

Chiffon

Calypso
$570.00 USD
Powder Pink Chiffon Halter Open Back Dress

Powder Pink Chiffon Halter Open Back Dress

Chiffon

Calypso
$570.00 USD
Joan powder chiffon evening dress

Joan powder chiffon evening dress

Chiffon

Joan
$580.00 USD
Joan tiffany blue chiffon dress

Joan tiffany blue chiffon dress

Chiffon

Joan
$580.00 USD
Isa Tiffany Blue Flowy Chiffon Dress

Isa Tiffany Blue Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Isa Ash Flowy Chiffon Dress

Isa Ash Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Isa Light Blue Flowy Chiffon Dress

Isa Light Blue Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Isa Peach Flowy Chiffon Dress

Isa Peach Flowy Chiffon Dress

Chiffon

Isa
$590.00 USD
Lessi powder pink baby doll dress

Lessi powder pink baby doll dress

Satin, Glitter Tulle

Lessi
$390.00 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!

Unona Logo
Redefining Minimalist Luxury: The 2026 Bridal Trends by Unona

Discover how Unona is revolutionizing the US bridal market w...

Read More

CONNECT WITH US