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

Ziva Maxi Dress

Jacquard Cowl Neck Dress in White

$

42.00

$~~139.95~~

You save 70%

Khalani Maxi Dress

Deep V Neck Satin Slip Dress in Dark Olive

$

117.00

$~~129.95~~

You save 10%

Eleonor Maxi Dress

Plunge Halter Tiered Ruffle Front Split Dress in Chocolate

$

73.00

$~~129.95~~

You save 44%

Tamara Maxi Dress

Plunge Neck Ruched Open Back Dress in Lemon

$

54.00

$~~119.95~~

You save 55%

Alexia Midi Dress

One Shoulder Bust Slip Dress in Fuschia

$

54.00

$~~109.95~~

You save 51%

Dannika Maxi Dress

Blue Pleated Dress in Blue

$

84.00

$~~119.95~~

You save 30%

Clabelle Midi Dress

One Shoulder Ruffle Tulip Hem Dress in Violette Blur Floral

$

54.00

$~~109.95~~

You save 51%

Hudgens Maxi Dress

Georgette Godet Panel Dress in Mint

$

55.00

$~~129.95~~

You save 58%

Variel Midi Dress

Strapless Fringe Sequin Dress in Champagne

$

105.00

$~~139.95~~

You save 25%

Marlette Midi Dress

Pleated Open Back Halter Dress in Grape

$

54.00

$~~109.95~~

You save 51%

Oriella Maxi Dress

Panelled Thigh Split Strapless Dress in Black

$

73.00

$~~129.95~~

You save 44%

Bethanie Maxi Dress

Off The Shoulder Mesh Dress in Red

$

63.00

$~~129.95~~

You save 52%

Tessa Maxi Dress

Square Neck Ruched Side Bodycon Dress in Black

$

63.00

$~~129.95~~

You save 52%

Sonya Maxi Dress

Cowl Neck Asymmetric Fit And Flare Dress in Chocolate

$

68.00

$~~139.95~~

You save 51%

Alberta Midi Dress

Strapless bust detail textured dress in Black

$

62.00

$~~109.95~~

You save 44%

Lauren Maxi Dress

Plunge Halterneck High Split Dress in Black

$

98.00

$~~129.95~~

You save 25%

Angie Maxi Dress

Strapless Bias Column Dress with Scarf in Electric Bloom Lemon

$

90.00

$~~159.95~~

You save 44%

Emilee Midi Dress

Side Cut Out Long Sleeve Plunge Dress in Pink Floral

$

63.00

$~~129.95~~

You save 52%

Vinny Maxi Dress

Sweetheart Neck High Leg Split Bodycon Dress in Lemon

$

55.00

$~~129.95~~

You save 58%

Cardi Maxi Dress

Ruched Mesh High Leg Split Dress in Ivory

$

39.00

$~~129.95~~

You save 70%

Big Ideas Midi Dress

V Neck Thigh Split Dress in White

$

63.00

$~~89.95~~

You save 30%

Glenda Midi Dress

Satin Strapless Side Split Dress in Blue

$

60.00

$~~119.95~~

You save 50%

Joyce Maxi Dress

Heat Press Strapless Dress in Nude

$

54.00

$~~129.95~~

You save 58%

Talia Maxi Dress

Cowl Neck Low Back Dress in Orange

$

39.00

$~~129.95~~

You save 70%

Crisanta Maxi Dress

Long Sleeve Contrast Lace Bodycon Dress in Pink

$

79.00

$~~129.95~~

You save 39%

Lani Midi Dress

Scooped Neckline Draped Skirt Halter Dress in Black

$

90.00

$~~119.95~~

You save 25%

Silvana Midi Dress

Halter Ruched Side Split Dress in Citrus

$

70.00

$~~109.95~~

You save 36%

Lila Midi Dress

Halterneck Ruched Bodycon Dress in Off White

$

63.00

$~~89.95~~

You save 30%

Andrina Midi Dress

High Low Wrap Corset Dress in Forest Green

$

53.00

$~~119.95~~

You save 56%

Lioness - Field Of Dreams Maxi Dress

In Oatmeal

$

61.00

$~~109.95~~

You save 45%