What formal dress should I wear for prom or a school formal?

You should wear a formal dress that feels elevated, fits the occasion, and makes you feel confident the second you put it on. Honestly, the one you can’t stop thinking about is usually your answer. A floor-length gown always hits for prom, but a really good midi can feel just as cool and a bit more unexpected.

Can I wear a midi dress to a formal event?

Yes, you can absolutely wear a midi dress to a formal event, especially for semi formal occasions. It works perfectly for graduation dinners, school events, or formal weddings. Just keep everything else elevated so it still feels like a full look.

What formal dress colors look best for my event?

The best formal dress colors are rich, elevated tones like black, navy, red, green, and champagne, with softer shades like blush, cream, and white for a more romantic feel. Black and navy always feel timeless, while deeper shades like wine red, emerald green, and bold reds bring that standout energy without trying too hard. If you want something lighter, pinks, creams, and whites feel soft, fresh, and really pretty in photos. Blues can lean either classic or modern, depending on the shade, and warmer tones like gold or even a hint of orange add a subtle glow under evening lights. It really comes down to your vibe. Darker tones feel more formal and dramatic, lighter shades feel effortless and elevated, and anything bold instantly feels confident.

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.

Formal & Semi Formal Dresses | Ladies Formal Wear

Aisha Midi Dress

Bustier Bodice Tulle Dress in White

$

36.00

$~~119.95~~

You save 70%

Calix Midi Dress

One Shoulder Slip Dress in Sage

$

58.00

$~~119.95~~

You save 52%

Hilary Maxi Dress

Contrast Sweetheart Bodice Fit And Flare Dress in Black

$

54.00

$~~129.95~~

You save 58%

Arriana Midi Dress

Long Sleeve Cowl Back Satin Dress in Black

$

49.00

$~~119.95~~

You save 59%

Loralie Maxi Dress

V Neck Low Back Bodycon Dress in Black

$

46.00

$~~109.95~~

You save 58%

Pepper Maxi Dress

High Neck Bodysuit with Draped Skirt in Chocolate

$

58.00

$~~149.95~~

You save 61%

Monette Midi Dress

One Shoulder Straight Dress in Blue

$

77.00

$~~119.95~~

You save 36%

Zaya Midi Dress

Strapless Satin Slip Dress in Pale Blue

$

108.00

$~~119.95~~

You save 10%

Arlette Midi Dress

Strappy V Neck Under Bust Gathered Tie Front Bias Slip Skirt Dress in Red

$

58.00

$~~119.95~~

You save 52%

Gia Maxi Dress

Straight Neck Fitted Dress in Black White Spot

$

99.00

$~~109.95~~

You save 10%

Judee Midi Dress

One Shoulder High Side Split Dress in Pink

$

117.00

$~~129.95~~

You save 10%

Carmella Midi Dress

One Shoulder Twist Detail Dress in Grape

$

49.00

$~~119.95~~

You save 59%

Bernice Maxi Dress

Low Back Side Split Bow Detail Dress in Black

$

36.00

$~~119.95~~

You save 70%

Coming For You Midi Dress

Mesh Dress in White Mesh

$

24.00

$~~79.95~~

You save 70%

Caterina Maxi

Ruched Off Shoulder Mesh Dress in Sage

$

51.00

$~~129.95~~

You save 61%

Adriene Maxi Dress

Satin Plunge Halter Dress in Dove Blue

$

36.00

$~~119.95~~

You save 70%

Talia Maxi Dress

Cowl Neck Low Back Dress in Hyper Tropical Print

$

39.00

$~~129.95~~

You save 70%

Runaway The Label - Chara Maxi Dress

In Black

$

57.00

$~~139.95~~

You save 59%

Lacie Midi Dress

V Neck Bias Cut Ruffle Tie Front Dress in Red

$

70.00

$~~99.95~~

You save 30%

Dangerous Woman Maxi Dress

Plunge Thigh Split Dress in Black

$

79.00

$~~139.95~~

You save 44%

Melanie Midi Dress

Plunge Long Sleeve Tie Front Dress in Black

$

70.00

$~~99.95~~

You save 30%

Blaire Midi Dress

Strappy Ruched Front Column Fitted Textured Jersey Dress in Off White

$

33.00

$~~89.95~~

You save 63%

Minnie Midi Dress

Drape Neck Satin Slip Dress in Butter Yellow

$

49.00

$~~119.95~~

You save 59%

Sophie Maxi Dress

Cowl Neck Cross Back Dress in Red

$

117.00

$~~129.95~~

You save 10%

Judee Midi Dress

One Shoulder High Side Split Dress in Sage

$

117.00

$~~129.95~~

You save 10%

Brailey Midi Dress

Thigh Split Strapless Dress in White Jacquard

$

108.00

$~~119.95~~

You save 10%

Rory Midi Dress

Embroidered Mesh Dress in White

$

49.00

$~~119.95~~

You save 59%

Veronica Midi Dress

Sweetheart Strapless Bow Detail High Split Dress in Blue & Black

$

36.00

$~~119.95~~

You save 70%

Isla Maxi Dress

Satin One Shoulder Side Split Dress in Sage

$

47.00

$~~129.95~~

You save 64%

Zaya Midi Dress

Strapless Satin Slip Dress in Navy

$

108.00

$~~119.95~~

You save 10%