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

Angelique Maxi Dress

Lace Trim Dress in Black

$

46.00

$~~109.95~~

You save 58%

Rima Maxi Dress

line Maxi Dress in Black

$

67.00

$~~109.95~~

You save 39%

4(1)

Sandy Midi Dress

Halter Plunge Fit And Flare Dress in Black

$

70.00

$~~99.95~~

You save 30%

5(5)

Isabel Midi Dress

Twist Off Shoulder Bodycon Dress in Lemon

$

54.00

$~~109.95~~

You save 51%

5(22)

Heidi Maxi Dress

Satin Ruched Bust Tie Back Dress in Pink

$

36.00

$~~119.95~~

You save 70%

Bernice Maxi Dress

Low Back Side Split Bow Detail Dress in Black

$

36.00

$~~119.95~~

You save 70%

5(2)

Ylona Midi Dress

Asymmetric Draped Bias Cut Satin Slip Dress in Ice Blue

$

67.00

$~~119.95~~

You save 44%

Charlie Midi Dress

V Neck Low Back Frill Detail Dress in Watercolour Floral

$

70.00

$~~99.95~~

You save 30%

Pepper Maxi Dress

High Neck Bodysuit with Draped Skirt in Chocolate

$

58.00

$~~149.95~~

You save 61%

Hathaway Maxi Dress

Strapless Straight Neck Twist Front Split in Navy

$

60.00

$~~119.95~~

You save 50%

Genie Maxi Dress

Off The Shoulder Dress in Orange

$

98.00

$~~119.95~~

You save 18%

4.9(278)

Victoria Maxi Dress

Off Folder Fit and Flare Dress in Red

$

58.00

$~~119.95~~

You save 52%

Marga Midi Dress

Plunge Ruffle Detail Cut Out Dress in Petal Paradise

$

68.00

$~~139.95~~

You save 51%

4.9(7)

Iris Maxi Dress

Sleeveless V Neckline Dress in Fuschia Floral

$

62.00

$~~109.95~~

You save 44%

Calix Midi Dress

One Shoulder Slip Dress in Sage

$

58.00

$~~119.95~~

You save 52%

4.8(13)

Caterina Maxi

Ruched Off Shoulder Mesh Dress in Black

$

63.00

$~~129.95~~

You save 52%

5(21)

Arriana Midi Dress

Long Sleeve Cowl Back Satin Dress in Black

$

49.00

$~~119.95~~

You save 59%

Hilary Maxi Dress

Contrast Sweetheart Bodice Fit And Flare Dress in Black

$

54.00

$~~129.95~~

You save 58%

5(1)

Veronica Midi Dress

Sweetheart Strapless Bow Detail High Split Dress in Blue & Black

$

36.00

$~~119.95~~

You save 70%

5(12)

Mimi Maxi Dress

Embroidered Cowl Neck High Split Dress in White

$

49.00

$~~119.95~~

You save 59%

5(4)

Farrah Maxi Dress

Halter Neck Dress in Red

$

58.00

$~~119.95~~

You save 52%

5(2)

Bec Maxi Dress

Stretch Lace Strapless Dress in Off White

$

54.00

$~~109.95~~

You save 51%

5(1)

Runaway The Label - Chara Maxi Dress

In Black

$

57.00

$~~139.95~~

You save 59%

5(4)

Sienna Maxi Dress

3D Floral Strapless Column Dress in Pink

$

141.00

$~~249.95~~

You save 44%

4.8(20)

Gabrielle Midi Dress

Cap Sleeve Sweetheart Neck Bodycon Dress in Red

$

62.00

$~~109.95~~

You save 44%

Nicholla Midi Dress

Ruched Front Angel Sleeve Slip Dress in Copper

$

54.00

$~~109.95~~

You save 51%

Talia Maxi Dress

Cowl Neck Low Back Dress in Hyper Tropical Print

$

39.00

$~~129.95~~

You save 70%

4.9(9)

Constantina Midi Dress

Asymmetric Ruffle Tie Back Dress in Dark Chocolate

$

63.00

$~~89.95~~

You save 30%

5(1)

Rory Midi Dress

Embroidered Mesh Dress in White

$

49.00

$~~119.95~~

You save 59%

Isla Maxi Dress

Satin One Shoulder Side Split Dress in Sage

$

47.00

$~~129.95~~

You save 64%

4.9(24)