Formal Dresses

1118 Products

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
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Wine

$
139.95
Alanna Maxi Dress
Alanna Maxi Dress

Off Shoulder Ruched Mesh Dress in Chocolate

$
129.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Chocolate

$
149.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Lemon

$
129.95
Roxanne Maxi Dress
Roxanne Maxi Dress

Sweetheart Neck Gathered Bodycon Dress in Red

$
129.95
Angie Maxi Dress
Angie Maxi Dress

Strapless Bias Column Dress with Scarf in Orange

$
159.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Pink

$
149.95
Marguerite Maxi Dress
Marguerite Maxi Dress
New

Strapless Ruched Mesh High Leg Split Dress in Black

$
129.95
Ruby Maxi Dress
Ruby Maxi Dress

Halter Scoop Neck Low Back Bodycon Dress in Wine

$
129.95
Benny Maxi Dress
Benny Maxi Dress

Halter Neck Backless Bodycon Dress in Pink

$
159.95
Pietra Maxi Dress
Pietra Maxi Dress

Scoop Neck Side Seam Tucks Fitted Dress in Pink

$
139.95
Denise Maxi Dress
Denise Maxi Dress

Halter U Ruched Neck Cut Out Jersey Dress in White

$
119.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Dark Chocolate

$
139.95
Phoebe Maxi Dress
Phoebe Maxi Dress
New

Strapless Structured Bodice Drape Skirt Dress in Soft Blue

$
149.95
Khalani Midi Dress
Khalani Midi Dress

Deep V Neck Satin Slip Dress in Butter Yellow

$
129.95
Michaela Midi Dress
Michaela Midi Dress

Jacquard Ruffle Detail Tiered Dress in Light Blue

$
139.95
Shay Maxi Dress
Shay Maxi Dress

Sweetheart Cut Out Pleated Dress in Lemon

$
149.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Black

$
139.95
Alfreda Midi Dress
Alfreda Midi Dress

One Shoulder Ruffle Detail Brailey Jacquard Dress in Pink

$
159.95
Alexandria Midi Dress
Alexandria Midi Dress

Tip Shoulder Draped Fitted Dress in Olive

$
129.95
Sonya Maxi Dress
Sonya Maxi Dress

Cowl Neck Asymmetric Fit And Flare Dress in Pink

$
139.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Red

$
139.95
Calix Midi Dress
Calix Midi Dress

One Shoulder Slip Dress in Butter

$
129.95
Poppy Maxi Dress
Poppy Maxi Dress
New

Contrast Skirt Deep Plunge Halter Dress in Blue

$
129.95
Genie Maxi Dress
Genie Maxi Dress

Off The Shoulder Dress in Wine

$
129.95
Alessa Maxi Dress
Alessa Maxi Dress

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

$
109.95
Pearce Maxi Dress
Pearce Maxi Dress
New

Gathered One Sleeve Bodycon Dress in Brown

$
139.95
Charlita Maxi Dress
Charlita Maxi Dress

Strapless Cowl Back Satin Dress in Steel Blue

$
139.95
Showing 1 - 30 of 1118 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.