Sexy Formal Dresses & Evening Gowns

It’s time for all eyes to be on you. Peaches Boutique's sexy formal dresses bring the confidence, the drama, and the perfect fit. Shop thousands of show-stopping styles in sizes 000–32W from the world's largest dress store. Your moment starts here. Check out the collection below, then keep scrolling for expert styling tips and more.

 

price
lengths
Size
$898
Black/Gold Bright Royal Candy Pink Gold Ivory/Silver/Gold
+18
$550
Black Blush Bright Fuchsia Emerald Light Blue
+14
$650
Dark Royal Emerald Light Blue Light Green Nude/Silver
+11
$698
Black Bright Fuchsia Coral Light Blue Periwinkle
+13
$450
Black/Gunmetal Bright Fuchsia Emerald Ivory Light Blue
+3
$649
Light Purple/Purple Silver/Rose Gold
$349
Black Cobalt Emerald Red
$879
Cobalt Lime Purple Rose Gold
$638
Black Burgundy Emerald Fuchsia Lilac
+10
$599
Blackberry Coral Midnight Orchid Peacock
+4
$475
Black Royal
$729
Black Champagne Emerald Fuchsia Mauve
+7
$679
Red Silver Teal
$385
Black Fuchsia
$498
Black Bright Fuchsia Grey Royal
$659
Emerald Hot Pink Silver
+1
$650
Blush Bright Fuchsia Orange
+7
$595
Black Gold Purple Royal Blue
$495
$950
Black Black/Gold Blush Emerald Fuchsia
+14
$769
Black Forest Light Blue Neon Coral Neon Pink
+9
$640
Burgundy/Burgundy Neon Pink Nude/Silver White/Gold/Silver
$657
Black Blue Pink
$698
Black/Silver Light Blue/Silver
+3
$529
Plum Red
$638
Black Royal Emerald Hot Pink Lilac Pink Ocean Blue
+4
$879
Black Cobalt Emerald Gold Light Blue
$323
Dusty Blue Emerald Fuchsia
$798
$450
Black Bright Fuchsia Light Blue Navy Red
+2
$650
Black Yellow
+5
$699
Black Silver
$839
$629
Black Dusty Rose Emerald
$898
$598
Black Ivory Navy
$595
Black Gold Champagne Ivory Gold Peacock Teal Gold
$650
$549
Black Nude Royal Blue
$499
$498
Black Gold Lilac Yellow
$966
$625
Black Peacock Rose Gold Yellow
$498
$698
Black/Ivory/Silver Candy Pink/Ivory/Silver Light Blue/Ivory/Silver Nude/Ivory/Silver
$550
$328
Black/Red Black/White
$698
$750
Black/Gold Ivory/Gold Nude/Silver/Gold Peacock/Jade Red/Fuchsia
+1
$438
$438
$350
$559
Black Multi Coffee Lilac
$450
Black Navy Red
$625
Black Blue Black Teal Ivory Blue Ivory Gold Ivory Green
$649
Black Blue Black Gold Ivory Gold
+3
$698
Aqua/Silver Pink/Silver
+3
$473
Black Ocean Turquoise Yellow
$498
Coral White Iridescent
$650
Black Nude

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What Makes a Formal Dress Sexy? It's All in the Details

A sexy formal dress is all about the details that make you feel like that girl. Think plunging necklines, thigh-high slits, open backs, and curve-hugging silhouettes that highlight your best features. Sheer panels, corset bodices, and strategic cutouts add instant drama without overdoing it.

The right sexy evening dress balances bold with elegant, giving you a look that feels powerful and totally you. It's not about showing everything. It's about showing just enough.

How to Style Sexy Evening Dresses for Any Event

You found the dress. Now let's talk about pulling the whole look together. Styling your sexy evening dresses the right way can take your outfit from gorgeous to absolutely iconic.

  • Jewelry: Keep it minimal with dainty chains or statement earrings. Let the dress do the talking. Browse our accessories collection to find the perfect finishing touch.

  • Shoes: Strappy heels or embellished stilettos pair perfectly with fitted silhouettes. Going for a slit? Show off a bold ankle strap. Shop shoes that match your vibe.

  • Hair: A sleek updo highlights open backs and plunging necklines, while loose waves add softness to more structured looks.

  • Bag: A small clutch in metallic or neutral tones ties everything together without competing with your dress.

Top Designers Behind Our Sexy Formal Dresses

Our sexy formal dresses come from some of the biggest names in the game. Sherri Hill delivers red-carpet glamour with curve-loving fits, while Portia & Scarlett bring bold, fashion-forward silhouettes that were made for main-character energy. 

Love intricate beadwork and sparkle? Primavera has your name on it. And for sleek, timeless elegance, La Femme never misses. Every designer in our collection brings something different, so you can find a look that feels 100% you.


Find Your Perfect Sexy Formal Dress at Peaches Boutique

Shop All Dresses 

With over 30,000 dresses in stock and sizes ranging from 000–32W, Peaches Boutique makes it easy to find a sexy formal dress you'll obsess over. Shop online with free shipping and next-business-day delivery on in-stock styles, or visit our 20,000-square-foot Chicago store for a one-on-one shopping experience with a personal stylist. 

Your moment is coming. It’s time to start shopping.

Sexy Formal Dress FAQs

Sexy formal dresses work for galas, holiday parties, pageants, military balls, and prom, depending on dress codes. Any event with a formal dress code is fair game!
Absolutely. We stock sexy evening dresses in sizes 000–32W so everybody can find a stunning, confidence-boosting fit.
Yes! We offer easy returns on eligible orders. Check out our full return policy for details.
Our measuring guide walks you through everything step by step so you can order your perfect size with confidence.