Black Evening Cocktail Party Dresses for Women

At Lilly, we know there's nothing more fun than RSVPing yes to a party. That's why our women's party dresses are among the most creative, statement-making styles in our collection. Whether you want a strapless women's party dress for a cocktail party or a halter neck, ruffle-adorned Maxi Dresses to wear as a Wedding Guest, Lilly's got the perfect formal dress for you.

Elegant necklines and splendid sleeves

Our formal dresses offer necklines with elevated style, no matter your fashion preference. Shop all our party wear to find surplice bodice, sweetheart neck, strappy top, scoop neck, crew neck, or classic V-neck dresses. Next, select your perfect sleeve style, from long sleeve to sleeveless dresses. You’ll find cap sleeves, puff sleeves, flutter sleeves, short sleeves, and more to suit every season and dress code.

Stunning silhouettes from our best sellers

In our collection of best-selling party dresses, you can find a striking silhouette for your next special event. Shop A-Line maxis, asymmetric and Shift Dresses, sheath dresses, wrap dresses, slip dresses, tea-length dresses, and flirty Fit & Flare Dresses. Keep it timeless with a tie-waist option or a faux wrap dress, or go modern in a sleek jumpsuit. Whether a mini dress, midi dress, or maxi dress is on your mind, you can find the perfect dress length at Lilly. Choose something knee-length for a hot summer day, a trendy high-low hem to show off your favorite heels, or a flowy maxi in floral print for the ultimate colorful statement piece. Choose a breezy day dress for a hot summer afternoon, a chic cocktail attire with a trendy high-low hem to showcase your favorite heels, or a flowing maxi from our collection of floral dresses. Our summer dresses offer the perfect colorful statement pieces for any occasion.

Cocktail dresses with elegant details and flattering fits

When the night calls for something truly special, explore cocktail dresses designed with sophisticated features and intricate detail that enhance your look. From mini dress to midi dress to sweeping maxi dress silhouettes, each piece offers a flattering fit and timeless design. Opt for a sleek V-neck women's cocktail style or a playful short dress with ruched shoulder detailing. You’ll also find sleeveless and long-sleeved options and soft lines to suit your style. Whether you're slipping into a skirt and top combo or making an entrance in a long cocktail dress, Lilly’s party dresses for women deliver the perfect night-out statement in a variety of sizes.

Styles for the ages

From prom dresses to skater dresses, White Dresses to black dresses, party dresses to casual evening dresses, ruched to pleated to smocked, Lilly’s best sellers are chic for every event and every age. Sip tea at an afternoon soirée in one of our eyelet lace dresses. Get satin mini dresses, something with a touch of shimmer for a New Year’s celebration. Going to be a bridesmaid? Browse our chiffon and ruffle wedding dresses, or pick an off-the-shoulder dress for the rehearsal dinner. Whatever trending Lilly style you choose, complement it with something from our sparkling jewelry collection, a pair of our stylish wedge heels or formal sandals, or an accessory from our bold, party-perfect options.