Formal Dresses

711 Products

Berri Maxi Dress
Berri Maxi Dress

Strapless Jacquard High Split Dress in Black

$
169.95
Alfreda Midi Dress
Alfreda Midi Dress

One Shoulder Ruffle Detail Brailey Jacquard Dress in Pink

$
169.95
Benny Maxi Dress
Benny Maxi Dress

Halter Neck Backless Bodycon Dress in Pink

$
179.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Wine

$
159.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Lemon

$
149.95
Shay Maxi Dress
Shay Maxi Dress

Sweetheart Cut Out Pleated Dress in Lemon

$
169.95
Criselda Maxi Dress
Criselda Maxi Dress

One Shoulder Maxi Dress in Chocolate

$
149.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Pink

$
169.95
Raya Maxi Dress
Raya Maxi Dress

Deep V Neck Low Back Bodycon Dress in Black

$
149.95
Audette Maxi Dress
Audette Maxi Dress

Boat Neck Ruched Fitted Dress in Chocolate

$
129.95
Leticia Maxi Dress
Leticia Maxi Dress

Mesh Off Shoulder Ruched High Split Dress in Blue

$
149.95
Pietra Midi Dress
Pietra Midi Dress

Scoop Neck Side Seam Tucks Fitted Dress in Pink

$
159.95
Marcel Maxi Dress
Marcel Maxi Dress

Off Shoulder Corset High Split Dress in Wine

$
179.95
Alessa Midi Dress
Alessa Midi Dress

V Neck Frill Detail Empire Waist Back Cut Out Dress in Adeana Print

$
129.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Light Blue

$
149.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Black

$
159.95
Tara Maxi Dress
Tara Maxi Dress
New

Strapless Corset Drape Skirt Dress in Wine

$
159.95
Lohan Midi Dress
Lohan Midi Dress

Off Shoulder Puff Sleeve in Black

$
149.95
Marguerite Maxi Dress
Marguerite Maxi Dress

Strapless Ruched Mesh High Leg Split Dress in Black

$
149.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Black

$
169.95
Larson Maxi Dress
Larson Maxi Dress

Asymmetric Tie Neck Column Dress in Chocolate

$
159.95
Aletta Maxi Dress
Aletta Maxi Dress

Cowl Cross Back Dress in Burn Out Floral

$
139.00
$159.95
You save 13%
Brailey Midi Dress
Brailey Midi Dress

Thigh Split Strapless Dress in Pink Jacquard

$
139.95
Lara Maxi Dress
Lara Maxi Dress

Strapless Ruched Mesh High Leg Split Dress in Wine

$
149.95
Darcy Maxi Dress
Darcy Maxi Dress

One Shoulder Side Cut Out Gathered Dress in Black

$
149.95
Raya Maxi Dress
Raya Maxi Dress

Deep V Neck Low Back Bodycon Dress in Wine

$
149.95
Charlita Maxi Dress
Charlita Maxi Dress

Strapless Cowl Back Satin Dress in Steel Blue

$
149.95
Thelma Maxi Dress
Thelma Maxi Dress

Square Neck Bodycon Dress in Black

$
149.95
Thelma Maxi Dress
Thelma Maxi Dress

Square Neck Bodycon Dress in Navy

$
149.95
Rania Maxi Dress
Rania Maxi Dress

Contrast Lace Bodice Bias Cowl Drop Waist Dress in Soft Blue

$
149.95
Showing 1 - 30 of 711 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.