Fashion Sexy Dresses Under $100 By InStyle Editors InStyle Editors Instagram Twitter InStyle's mantra is "Everybody's in," and that means anyone who finds their way to our stories should find themselves reflected in them. We prioritize bringing the right writer to every story and sometimes collaborate as a team to ensure we're including points of view across race, gender expression, body size, skin and hair type, and more. Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. For more about our team, click here. InStyle's editorial guidelines Updated on May 17, 2011 Pin Share Tweet Email Photo: Florian G Seefried/Getty Images, Courtesy Sexy Dresses Under $100 01 of 08 Belted LWD Florian Seefried/Getty Images, Courtesy Miss Selfridge Talk about white hot! Use one of summer's It colors to amp up your tan—just ask Cameron Diaz. Polyester dress, Miss Selfridge, $74; missselfridge.com. 02 of 08 Full-Skirted Print Dress Larry Busacca/Getty Images for Conde Nast, Courtesy Delia's Hello, color! Amp up your wardrobe with a bright, strapless mini. Take a tip from Blake Lively: don't compete with the vivid pattern—opt for classic stilettos and a sleek ponytail instead. Cotton poplin dress, Delia's, $40; delias.com. 03 of 08 Plunging Mini Lionel Hahn/AbacaUsa.com, Courtesy All Saints The already seductive LBD gets an extra jolt of va-va-va-voom from a modern, curve-enhancing silhouette. Cap sleeves make this design more seasonal than Zoe Saldana's version, but the deep V is year-round sexy. Cotton dress, AllSaints Spitalfields, $95; allsaints.com. 04 of 08 Red Maxi Dress Jon Kopaloff/FilmMagic, Courtesy H & M Nothing sizzles like this eye-catching hue. Style trick: cinch your design with a skinny belt a la Malin Akerman-head-to-toe scarlet's hotter when you can see your curves! Laser-cut dress, H&M, $40; hm.com for stores. 05 of 08 Bright Shift Todd Williamson/WireImage.com, Courtesy Asos You don't need to show a lot of skin to turn heads. A form-fitting dress in Scarlett Johansson's sunny yellow hue is all-day sexy. Top it off with a cardigan and flats for an afternoon get-together then toss that outer layer and add heels for a night on the town. Polyester shift, ASOS, $83; asos.com. 06 of 08 Cut-Out Dress MAVRIXONLINE.COM, Courtesy Topshop Play peek-a-boo with your summer wardrobe like Kate Bosworth. Call attention to the alluring sweetheart neckline with bright accents like oversized gems or a colorful bra (if you dare!). Polyester dress, Topshop, $90; topshop.com. 07 of 08 Silver Sequin Mini PATRICK MCMULLAN/PatrickMcMullan.com/Sipa Press, Courtesy Steal Taylor Swift's sparkle in an eye-catching tank dress. Work the modern metallic head-to-toe or paired with chic neutrals. Sequin tank dress, Obey, $60; farfetch.com. 08 of 08 Blush Lace Dress Florian G Seefried/Getty Images, Courtesy Add some sugar to your spice with a pastel confection. Want to pump up the volume? Accessorize this sweet trend with with colorful heels like Diane Kruger's teal peep-toes. Viscose dress, Cutie, $43; dorothyperkins.com. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit