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Formal Dresses

1164 Products

Lara Maxi Dress
Lara Maxi Dress

Strapless Ruched Mesh High Leg Split Dress in Wine

$
129.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Pink

$
149.95
Alfreda Midi Dress
Alfreda Midi Dress

One Shoulder Ruffle Detail Brailey Jacquard Dress in Pink

$
149.95
Larson Maxi Dress
Larson Maxi Dress

Asymmetric Tie Neck Column Dress in Chocolate

$
139.95
Marcel Maxi Dress
Marcel Maxi Dress

Off Shoulder Corset High Split Dress in Wine

$
159.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Chocolate

$
149.95
Alanna Maxi Dress
Alanna Maxi Dress

Off Shoulder Ruched Mesh Dress in Chocolate

$
129.95
Benny Maxi Dress
Benny Maxi Dress

Halter Neck Backless Bodycon Dress in Pink

$
159.95
Michaela Midi Dress
Michaela Midi Dress

Jacquard Ruffle Detail Tiered Dress in Light Blue

$
139.95
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
Sienna Maxi Dress
Sienna Maxi Dress

3D Floral Strapless Column Dress in Black

$
249.95
Leticia Maxi Dress
Leticia Maxi Dress

Mesh Off Shoulder Ruched High Split Dress in Blue

$
129.95
Shay Maxi Dress
Shay Maxi Dress

Sweetheart Cut Out Pleated Dress in Lemon

$
149.95
Rania Maxi Dress
Rania Maxi Dress

Contrast Lace Bodice Bias Cowl Drop Waist Dress in Black

$
129.95
Criselda Maxi Dress
Criselda Maxi Dress

One Shoulder Maxi Dress in Chocolate

$
129.95
Angie Maxi Dress
Angie Maxi Dress

Strapless Bias Column Dress with Scarf in Orange

$
159.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Dark Chocolate

$
139.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Black

$
139.95
Pietra Midi Dress
Pietra Midi Dress

Scoop Neck Side Seam Tucks Fitted Dress in Pink

$
139.95
Pietra Midi Dress
Pietra Midi Dress

Scoop Neck Side Seam Tucks Fitted Dress in Black

$
139.95
Lara Maxi Dress
Lara Maxi Dress
New

Strapless Ruched Mesh High Leg Split Dress in Black

$
129.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Light Blue

$
129.95
Dixie Maxi Dress
Dixie Maxi Dress

Plunge Halter Low Back Dress in Cherry

$
129.95
Skye Maxi Dress
Skye Maxi Dress
New

V Shaped Neckline Short Sleeve Dress in Red

$
139.95
Reeves Maxi Dress
Reeves Maxi Dress

Contrast Lace High Neck Fitted Satin Dress in Black

$
139.95
Denise Maxi Dress
Denise Maxi Dress

Halter U Ruched Neck Cut Out Jersey Dress in White

$
119.95
Thelma Maxi Dress
Thelma Maxi Dress

Square Neck Bodycon Dress in Navy

$
129.95
Kali Maxi Dress
Kali Maxi Dress

Sweetheart Fit And Flare High Split Dress in Black

$
159.95
Karlene Midi Dress
Karlene Midi Dress

Ruched Corset Burnout Dress in Black and Brown

$
129.95
Showing 1 - 30 of 1164 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.