Blue Formal Dresses

72 Products

Rania Maxi Dress
Rania Maxi Dress

Contrast Lace Bodice Bias Cowl Drop Waist Dress in Soft Blue

$
149.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Light Blue

$
149.95
Leticia Maxi Dress
Leticia Maxi Dress

Mesh Off Shoulder Ruched High Split Dress in Blue

$
149.95
Charlita Maxi Dress
Charlita Maxi Dress

Strapless Cowl Back Satin Dress in Steel Blue

$
149.95
Veronika Maxi Dress
Veronika Maxi Dress

Off Shoulder Plunge High Split Dress in Blue

$
159.95
Selene Maxi Dress
Selene Maxi Dress

Lace Front Twist Cut Out Bodycon Dress in Baby Blue

$
79.00
$129.95
You save 39%
Genie Maxi Dress
Genie Maxi Dress

Off The Shoulder Dress in Baby Blue

$
139.95
Loretta Midi Dress
Loretta Midi Dress

Lace Up Back Bustier Pleated Dress in Light Blue

$
129.00
$149.95
You save 14%
More Than This Maxi Dress
More Than This Maxi Dress

Ruffle Strap Thigh Split Dress in Light Blue

$
139.95
Sienna Maxi Dress
Sienna Maxi Dress

3D Floral Strapless Column Dress in Blue

$
279.95
Braelyn Maxi Dress
Braelyn Maxi Dress

Ruffle Low Back Dress in Blue

$
100.00
$159.95
You save 37%
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Blue

$
169.95
Lizzy Maxi Dress
Lizzy Maxi Dress

Backless Ruched Bodycon Dress in Blue

$
149.95
Cardi Maxi Dress
Cardi Maxi Dress

Ruched Mesh High Leg Split Dress in Blue

$
149.95
Jocelyn Maxi Dress
Jocelyn Maxi Dress

Strapless Ruched Fit And Flare Dress in Blue

$
169.95
Cariela Maxi Dress
Cariela Maxi Dress

Plunge Neck Satin Dress in Navy

$
129.00
$149.95
You save 14%
Georgina Maxi Dress
Georgina Maxi Dress

Sequin Strapless Front Split Dress in Blue

$
108.00
$149.95
You save 28%
Berri Maxi Dress
Berri Maxi Dress

Strapless Jacquard High Split Dress in Blue

$
169.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Blue

$
159.95
Opal Maxi Dress
Opal Maxi Dress

Off Shoulder Gathered Bodice Fit And Flare Dress in Blue

$
149.95
Bijou Maxi Dress
Bijou Maxi Dress

Embroidery Deep V Halter Ruched Dress in Ice Blue

$
108.00
$169.95
You save 36%
Pietra Midi Dress
Pietra Midi Dress

Scoop Neck Side Seam Tucks Fitted Dress in Soft Blue

$
159.95
Thelma Maxi Dress
Thelma Maxi Dress

Square Neck Bodycon Dress in Light Blue

$
129.00
$149.95
You save 14%
Sabine Maxi Dress
Sabine Maxi Dress

3D Sequin Floral Strapless in Sky Blue

$
219.95
Nicolette Maxi Dress
Nicolette Maxi Dress

Cape Sleeve Off Shoulder Dress in Blue

$
159.95
Jamie Maxi Dress
Jamie Maxi Dress

Strapless Ruched Fitted Column Dress in Blue

$
149.95
Crisanta Maxi Dress
Crisanta Maxi Dress

Long Sleeve Contrast Lace Bodycon Dress in Pale Blue

$
159.95
Elara Maxi Dress
Elara Maxi Dress

Lace Ruched Side Split Dress in Soft Blue

$
99.00
$139.95
You save 29%
Sophie Maxi Dress
Sophie Maxi Dress

Cowl Neck Cross Back Dress in Blue

$
129.00
$149.95
You save 14%
Inez Maxi Dress
Inez Maxi Dress

Boat Neck Long Sleeve Ruched Dress in Blue

$
91.00
$129.95
You save 30%
Showing 1 - 30 of 72 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.