Sexiest Summer Dresses Under $100

What's hot for summer? That depends on your definition of sexy. From contoured colorblocking options to waist-whittling peplums, this season's styles offer something for everyone. Find your most flattering silhouette and shop the look with our favorite affordable finds.

Viscose, Mango, $80; mango.com.

Polyester, Miss Selfridge, $74; missselfridge.com.

Polyester, Topshop, $56; at Topshop.

Cotton, Oasis, $70; oasis-stores.com.

Polyester, Dorothy Perkins, $49; dorothyperkins.com.

Viscose, Warehouse, $85; warehouse.com.

Viscose, River Island, $65; riverisland.com.

Polyester, Topshop, $96; topshop.com.