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Elegant Wedding Guest Dresses & Formal Wear

Be the best-dressed guest. Explore our curated selection of elegant midi, floor-length, and cocktail dresses for weddings in every season.


Showing 1 - 42 of 42 Items

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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 Blue Satin Dress with Bubble Skirt

Casia Mini Blue 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
Sale
Casia Black Midi Basque Waist Satin Cocktail Dress

Casia Black Midi Basque Waist Satin Cocktail Dress

Satin

$450.00 USD$600.00 USD
Sale
Casia Red Midi Satin Basque Waist Party Dress

Casia Red Midi Satin Basque Waist Party Dress

Satin

$450.00 USD$600.00 USD
Athena Chocolate Silk Satin Slip Dress with Shawl

Athena Chocolate Silk Satin Slip Dress with Shawl

Silk

$680.00 USD
Julia Chocolate Satin One-Shoulder Column Midi Dress

Julia Chocolate Satin One-Shoulder Column Midi Dress

Satin

$360.00 USD
Julia Emerald Satin One-Shoulder Column Midi Dress

Julia Emerald Satin One-Shoulder Column Midi Dress

Satin

$360.00 USD
Julia Powder Satin One-Shoulder Column Midi Dress

Julia Powder Satin One-Shoulder Column Midi Dress

Satin

$360.00 USD
Julia Black Satin One-Shoulder Column Midi Dress

Julia Black Satin One-Shoulder Column Midi Dress

Satin

$360.00 USD
Rose Powder Mini Satin & Organza Corset Dress

Rose Powder Mini Satin & Organza Corset Dress

Satin, Organza

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

Riley Lavender Satin Gown with Lace-Up Back

Stretch Satin

$580.00 USD
Rihanna Light Blue Satin Strappy Corset Gown

Rihanna Light Blue Satin Strappy Corset Gown

Satin

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

Rihanna Powder Pink Satin A-Line Corset Dress

Satin

$690.00 USD
Barbara Midi Powder Pink Satin Corset Dress

Barbara Midi Powder Pink Satin Corset Dress

Satin

$450.00 USD
Viola Blue Midi Dress

Viola Blue Midi Dress

Stretch Crepe

$390.00 USD
Lera Light Blue V-Neck Midi Dress

Lera Light Blue V-Neck Midi Dress

Stretch Crepe

$390.00 USD
Viola Terracotta Midi Dress

Viola Terracotta Midi Dress

Stretch Crepe

$390.00 USD
Viola Green Midi Dress

Viola Green Midi Dress

Stretch Crepe

$390.00 USD
Viola Powder Midi Dress

Viola Powder Midi Dress

Stretch Crepe

$390.00 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
Peach Silk Backless Halter Dress

Peach Silk Backless Halter Dress

Silk

$480.00 USD
Ash Silk Backless Halter Dress

Ash Silk Backless Halter Dress

Silk

$480.00 USD
Powder Pink Silk Halter Dress

Powder Pink Silk Halter Dress

Silk

$480.00 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
Joan powder chiffon evening dress

Joan powder chiffon evening dress

Chiffon

$580.00 USD
Joan tiffany blue chiffon dress

Joan tiffany blue chiffon dress

Chiffon

$580.00 USD
Isa Tiffany Blue Flowy Chiffon Dress

Isa Tiffany Blue Flowy Chiffon Dress

Chiffon

$590.00 USD
Isa Ash Flowy Chiffon Dress

Isa Ash Flowy Chiffon Dress

Chiffon

$590.00 USD
Isa Light Blue Flowy Chiffon Dress

Isa Light Blue Flowy Chiffon Dress

Chiffon

$590.00 USD
Isa Peach Flowy Chiffon Dress

Isa Peach Flowy Chiffon Dress

Chiffon

$590.00 USD
Lessi powder pink baby doll dress

Lessi powder pink baby doll dress

Satin, Glitter Tulle

$390.00 USD
Outlet
Gabby Blue Chiffon Evening Dress

Gabby Blue Chiffon Evening Dress

Chiffon

$270.00 USD$540.00 USD
Grace Blue Midi Dress with Puff Sleeves

Grace Blue Midi Dress with Puff Sleeves

Organza

Grace Tiffany Blue Midi Dress

Grace Tiffany Blue Midi Dress

Organza

Emerald Green Long Sleeve Evening Gown Berta

Emerald Green Long Sleeve Evening Gown Berta

Stretch Crepe

$790.00 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
Black Strapless Satin Corset Evening Set

Black Strapless Satin Corset Evening Set

Stretch Satin, Jacquard

$680.00 USD

Elegant Wedding Guest Dresses & Formal Wear

Be the best-dressed guest at every celebration. Navigating wedding dress codes is effortless with UNONA’s curated collection of wedding guest dresses. Whether attending an opulent black-tie gala, an outdoor garden ceremony, or an intimate destination wedding, explore sophisticated formal evening gowns for wedding guests, flattering midi dresses, and chic cocktail silhouettes crafted in rich seasonal color palettes.

Black-Tie & Formal Galas

Adhere to strict dress codes with confidence. Our floor-length formal wedding guest gowns in rich satin and stretch crepe deliver dignified, head-turning sophistication.

Midi & Cocktail Styles

Perfect for semi-formal, daytime, or cocktail receptions. A midi dress for wedding guests offers versatile elegance that transitions effortlessly from vows to evening toasts.

Trending US Color Palettes

From deep emerald greens, royal blues, and rich chocolates to romantic dusty pinks and lavenders, find the exact shade to match the wedding season.

Why Choose UNONA for Formal Wear?

  • European Couture Quality: High-end fabrics, precision tailoring, and smooth linings that flatter your form.
  • Flattering Fit for Every Silhouette: Standard sizing plus bespoke custom measurement options.
  • Worldwide Courier Shipping: Delivered fast via FedEx, DHL, or UPS.
  • Duty-Free (US & EU): Zero import taxes or surprise fees at delivery.

Frequently Asked Questions

As a general rule of wedding etiquette, guests should avoid pure white, ivory, or cream tones. Popular choices for a dress for wedding guest include rich emerald greens, deep navy, romantic blush powders, warm terracotta, chocolate browns, and classic black for evening black-tie weddings.

It depends on the invitation's specified dress code! Black-tie or formal evening weddings call for a floor-length formal wedding guest gown. Semi-formal or daytime weddings are perfect for an elegant midi wedding guest dress or cocktail gown.

Yes! We offer fast, fully tracked delivery across the US with zero import duties or hidden customs charges.

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