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Formal Dresses

880 Products

Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Chocolate

$
149.95
Berri Maxi Dress
Berri Maxi Dress

Strapless Jacquard High Split Dress in Black

$
149.95
Larson Maxi Dress
Larson Maxi Dress

Asymmetric Tie Neck Column Dress in Chocolate

$
139.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Lemon

$
129.95
Alfreda Midi Dress
Alfreda Midi Dress

One Shoulder Ruffle Detail Brailey Jacquard Dress in Pink

$
149.95
Roxanne Maxi Dress
Roxanne Maxi Dress

Sweetheart Neck Gathered Bodycon Dress in Red

$
129.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Black

$
149.95
Nicolette Maxi Dress
Nicolette Maxi Dress

Cape Sleeve Off Shoulder Dress in Cream

$
139.95
Marcel Maxi Dress
Marcel Maxi Dress

Off Shoulder Corset High Split Dress in Wine

$
159.95
Alanna Maxi Dress
Alanna Maxi Dress

Off Shoulder Ruched Mesh Dress in Chocolate

$
129.95
Michaela Midi Dress
Michaela Midi Dress

Jacquard Ruffle Detail Tiered Dress in Light Blue

$
139.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in White

$
129.95
Lara Maxi Dress
Lara Maxi Dress

Strapless Ruched Mesh High Leg Split Dress in Wine

$
129.95
Charlita Maxi Dress
Charlita Maxi Dress

Strapless Cowl Back Satin Dress in Steel Blue

$
129.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Light Blue

$
129.95
Calix Midi Dress
Calix Midi Dress

One Shoulder Slip Dress in Butter

$
129.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Black

$
139.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Wine

$
139.95
Ruby Maxi Dress
Ruby Maxi Dress

Halter Scoop Neck Low Back Bodycon Dress in Wine

$
129.95
Ruby Maxi Dress
Ruby Maxi Dress

Halter Scoop Neck Low Back Bodycon Dress in Black

$
129.95
Lara Maxi Dress
Lara Maxi Dress

Strapless Ruched Mesh High Leg Split Dress in Black

$
129.95
Raya Maxi Dress
Raya Maxi Dress

Deep V Neck Low Back Bodycon Dress in Black

$
129.95
Thelma Maxi Dress
Thelma Maxi Dress

Square Neck Bodycon Dress in Wine

$
129.95
Zahra Maxi Dress
Zahra Maxi Dress

One Shoulder Tie Back Dress in Black

$
139.95
Sienna Maxi Dress
Sienna Maxi Dress

3D Floral Strapless Column Dress in Black

$
249.95
Raya Maxi Dress
Raya Maxi Dress

Deep V Neck Low Back Bodycon Dress in Wine

$
129.95
Kali Maxi Dress
Kali Maxi Dress

Sweetheart Fit And Flare High Split Dress in Black

$
159.95
Darcy Maxi Dress
Darcy Maxi Dress

One Shoulder Side Cut Out Gathered Dress in Black

$
129.95
Jett Maxi Dress
Jett Maxi Dress
New

Halter Tie Ruched Bodice Side Split Dress in Red

$
129.95
Ferguson Maxi Dress
Ferguson Maxi Dress

One Shoulder Draped Jersey and Lace Dress in Black

$
139.95
Showing 1 - 30 of 880 Products

Formal Dresses 

Where can I buy formal dresses online in the US?

If you’re searching for formal dresses online in the US that actually feel modern, polished, and photo-ready, Showpo’s edit delivers. From prom and Senior formal to black-tie weddings, galas, Junior banquets, graduation dinners, and every elevated RSVP in between, our formal dresses are designed for main-character moments. Whether you want a sweeping floor-length gown, a sleek satin midi, or a statement piece that turns heads the second you walk in, this is where confidence meets occasion dressing. Freshman to Senior year and long after, these are the dresses you save to your camera roll before you even hit checkout.

What is the formal dress code in the US?

In the US, formal usually means maxi gowns for black-tie events and elegant midis or cocktail-length styles for semi-formal occasions like prom, school banquets, or formal weddings. Think luxe fabrics like satin and chiffon, refined silhouettes, and elevated details such as strapless necklines, halters, open backs, and one-shoulder cuts. Classic shades like black, navy, emerald, champagne, and blush always work, especially under evening lights and flash photography. When in doubt, choose the dress that feels slightly more dressed up than the invite suggests because confidence is always in code.

How do I style and accessorize a formal dress?

Styling a formal dress is about letting the dress lead and keeping everything else intentional. Pair a bold gown with minimal heels and delicate jewelry, or elevate a sleek, simple silhouette with statement earrings and a chic clutch that fits your phone, lip gloss, and cards. Gold tones warm up champagne and red hues, silver sharpens navy and emerald, and a soft wave or slick bun instantly refines the look. Glowy skin keeps things timeless, while a red lip brings drama in the best way. The goal is polished, effortless, and unmistakably put together.

Does Showpo offer fast US shipping and plus sizes for formal dresses?

Yes, we offer Next-Day Delivery across the US for those last-minute invites to black-tie events, sorority formals, charity galas, military balls or fancy rooftop engagement parties. Our formal dresses come in US sizes 0 to 16, including plus-size options, so more women can find a silhouette that feels tailored to their moment. The Size Guide keeps things simple, our Returns Policy keeps it stress-free, and your only job is choosing the dress that makes you stand taller the second you zip it up. Need styling help or trend inspo before you commit? Head to our blog for expert fashion tips, occasion outfit guides, and everything you need to own the night with confidence.