Plus Size Formal Dresses & Evening Gowns

Plus-size formal dresses at Peaches Boutique come in thousands of styles, colors, and silhouettes that fit and flatter every curve. Our collection features the biggest names in formal fashion, all in sizes up to 32W. At Peaches, we know your big night deserves a dress that makes you feel absolutely incredible.

price
lengths
Size
$698
Black Black/Silver Dark Royal Emerald Fuchsia
+12
$598
Black Gold Navy Periwinkle Pink
+11
$550
Emerald Fuchsia Light Pink Navy
+12
$598
Aqua Emerald Pink Red Royal
+14
$598
Black/Silver Chocolate Royal
+10
$698
Black Chocolate Nude/Silver Pink Red
+12
$879
Black/Fuchsia Gold Lilac Multi Nude/Blue/Silver
+8
$650
Dark Royal Emerald Light Blue Light Green Nude/Silver
+15
$698
Black/Silver Emerald Nude Peacock Red
+7
$592
Black/Gunmetal Gold Mint Yellow
$698
Black Red
+3
$599
Black/Gold Cobalt Fuchsia/Red Ivory/Silver Navy/Gold
+5
$598
$650
Black Periwinkle/Silver
+8
$698
Black Bright Fuchsia Coral Light Blue Navy
+13
$650
Aqua/Silver Black/Silver Light Blue/Silver
+6
$299
Dusty Blue Mocha Gold
+1
$650
Periwinkle Red Royal
+11
$819
Black Green Navy Rose Gold Silver
+1
$798
Aqua Black Bright Pink Light Blue Pink
+13
$609
Black Light Blue Light Yellow Matcha Navy Blue
+5
$419
Emerald Orange Red Teal
$570
Black Hot Pink Ice Blue Nude Red
+21
$695
Black Iris Macadamia Navy Blue Royal Blue
+6
$650
Aqua/Silver Black/Silver Periwinkle/Silver
+7
$598
Lilac Nude/Silver Pink Royal Teal
+15
$698
Aqua/Silver Black/Silver Periwinkle/Silver Pink/Silver
+5
$450
$495
Emerald Navy Red
$299
Aqua Bright Royal Green Iridescent Blue Iridescent Pink
+4
$750
Bright Pink Light Blue Red Yellow
+2
$650
Black Candy Pink Light Blue Red
+8
$598
Bright Pink Light Blue Lilac Red Yellow
+10
$650
Pink Red Silver
+11
$598
$319
Rose Pink Silver-Nude
+1
$498
Black/Silver Bright Fuchsia Emerald Light Blue Orange
+6
$598
Black/Silver Peacock Pink Plum
+15
$498
Black Bright Fuchsia Red Silver
$589
Black Dusk English Rose Hot Pink Lavender Frost
+9
$499
Black Champagne Emerald Fuchsia Navy
$249
Black Emerald Greenery Lt Yellow Red
+1
$598
Bright Pink Coral Navy Yellow
+4
$499
$650
$629
Navy Blue Periwinkle Red
+2
$629
Frosted Bronze Periwinkle
$650
$619
Black Blue Emerald Red Silver
+4
$695
Black/Nude Scarlet
$325
Dusty Pink Gold Lt Blue
$438
Black Emerald
$598
$598
$349
Black Deep Red Espresso Navy Smoky Blue
$699
Black Nude Peacock Red Royal Blue
$598
Black/Silver Light Blue Pink
$750
Black/Silver Burgundy Peacock Red Royal
+7
$550
Black/Gold Black/Navy Nude
$450
Black Candy Pink Emerald Purple
+1

peach
Fast Shipping
Largest Prom
Boutique
Free Shipping
on select dresses

 Sleeves, Sparkles, or Both? Plus-Size Formal Dresses You’ll Love 

Looking for a little extra detail? Our plus-size formal dresses with sleeves come in cap sleeve and long sleeve styles, perfect for adding a touch of coverage and a lot of drama. 

If you want sparkle, we’ve got you covered there, too. Browse fully beaded gowns, sequin stunners, and glitter tulle looks that catch the light every time you move. We also carry lace, satin, velvet, and chiffon options for a softer, classic feel. 

 Designers Behind Your Perfect Plus-Size Formal Dress 

The best plus-size formal dresses for women start with the best designers. We stock gowns from the biggest names in formal fashion, and each one brings something special:

  • Sherri Hill: A fan favorite known for fresh, on-trend styles with corset details, sequin finishes, and eye-catching color options

  • Jovani: Stunning beadwork, luxe fabrics, and silhouettes that hug your curves in all the right places

  • La Femme: Effortlessly chic gowns with smooth fits, elegant draping, and timeless style

  • Portia & Scarlett: High-impact designs with bold cutouts, structured bodices, and major glamour

  • Ellie Wilde: Fun, fearless looks loaded with sparkle, color, and personality

  • Primavera: Romantic beading and flowing fabrics for a softer, more detailed formal look

 What Plus-Size Formal Dress Shopping Should Feel Like

Plain and simple, you deserve to walk into a store (or onto a website) and see gorgeous options in your size right away. That's exactly what Peaches Boutique offers. 

Our Chicago location keeps thousands of plus-size formal dresses in sizes up to 32W on the floor at all times, with 45 fitting rooms and dedicated sales associates who actually listen to what you want. Online shoppers get the same selection with size-specific filters, detailed photos, and next-business-day shipping on in-stock styles.


Your Night is Coming: It’s Time to Find the Perfect Dress

View Our Entire Dress Selection

Peaches Boutique has thousands of plus-size formal dresses ready to shop right now. Browse our collection online or visit our Chicago store to try on styles in person. With free shipping, easy returns, and Buy Now, Pay Later options, getting your dream dress has never been simpler. Start shopping today.

FAQs About Plus-Size Formal Dresses for Women

Rich jewel tones like emerald, sapphire, and burgundy are huge right now, along with classic black and soft metallics like champagne and rose gold. Bold reds and deep navy also continue to be go-to picks. You can filter our entire plus-size formal dress collection by color to find the exact shade you have in mind.
A-line silhouettes are a classic favorite because they cinch at the waist and flow over the hips for a balanced, comfortable look. Mermaid styles are perfect if you want to show off your curves, and ball gowns bring that full princess moment. At the end of the day, the best silhouette is the one that makes you feel the most confident, and our collection has all of them.
Absolutely! Our plus-size formal dresses work for homecoming, quinceañeras, sweet sixteens, pageants, military balls, weddings, and any event with a formal dress code. Many of our styles are versatile enough to wear again, so you're getting a dress that goes beyond just one night.