Fashion Looks of the Week By InStyle Editors InStyle Editors Facebook Instagram Twitter 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. InStyle's editorial guidelines Updated on August 16, 2013 @ 12:07PM Pin Share Tweet Email Trending Videos Photo: Sean O'Neill, PacificCoastNews.com Looks of the Week 01 of 22 Jennifer Aniston FGA /Landov WHAT SHE WORE At the We're the Millers premiere, Jennifer Aniston stuck to what she knows best: A classic LBD. This time, she spiced things up, accessorizing her Alexander McQueen dress with leather corset belt, a Givenchy clutch and black pumps. 02 of 22 Emmy Rossum Daniel Robertson/startraksphoto.com WHAT SHE WORE Rossum took the plaid to a whole new level in multi-colored bustier-style Rebecca Minkoff dress, proving that the print can be both sweet and sexy. As far as accessories go, she mixed it up with coral pumps. 03 of 22 Ashley Madekwe FayesVision/WENN.com WHAT SHE WORE At the InStyle Summer Soiree, Ashley Madekwe stole the spotlight in a jaw-dropping dandelion-yellow plunging Diane von Furstenberg jumpsuit with minimal ruffle detailing. A vintage Chanel No. 5 belt, Jimmy Choo clutch and black Saint Laurent heels. 04 of 22 Los Angeles Tony DiMaio/startraksphoto.com At the film's Los Angeles premiere, the actress kicked it up a notch in a sexy white Cushnie et Ochs midi dress with dramatic cut-outs that exposed skin in all the right areas. A pair of white Giuseppe Zanotti pumps finished the look. 05 of 22 Jennifer Aniston PA PHOTOS/LANDOV WHAT SHE WORE Aniston broke out the florals at the We're the Millers premiere, wearing a printed sleeveless navy Christian Dior dress and ankle-strap Casadei stilettos. 06 of 22 Julianne Hough Jon Kopaloff/FilmMagic WHAT SHE WORE Hough topped off her orange floor-length Halston Heritage tulip skirt with a textured white Bec & Bridge top, gold Stuart Weitzman clutch and gold jewelry, including a Jennifer Meyer lizard cuff. 07 of 22 Brittany Snow Jason Merritt/Getty Images WHAT SHE WORE Snow feted the InStyle Summer Soiree in a neutral striped peplum Lela Rose dress, styling it with a neon orange Oroton clutch and nude ankle-strap heels. 08 of 22 Bella Thorne Jon Kopaloff/FilmMagic WHAT SHE WORE Thorne decided against sunny dresses and instead, went with a moodier print wrap dress with purple lapels that she paired with an acrylic boxed clutch and dark booties. 09 of 22 Olivia Wilde Jon Kopaloff/FilmMagic WHAT SHE WORE At the Hollywood Foreign Press Association's Installation Luncheon, Olivia Wilde dined in a scenic-print-and-striped Clover Canyon dress, matching the accent color with Kelly green Jimmy Choo clutch and platform heels. 10 of 22 Diane Kruger Scott Downie/CelebrityPhoto. com WHAT SHE WORE Kruger elevated her gray-and-yellow plaid strapless Carven midi with nude Stuart Weitzman heels. 11 of 22 Taylor Schilling Steve Granitz/WireImage WHAT SHE WORE Schilling piled color on color, pairing her coral Roksanda Ilincic sheath with a blue Edie Parker clutch and hot pink Sophia Webster strappy sandals. 12 of 22 Amber Heard Sara De Boer/startraksphoto.com WHAT SHE WORE Heard gave us a glimpse of her abs in white Osman separates: an open-back crop top with a high-low hem and an asymmetric skirt. She accessorized with dainty gold jewelry and nude Casadei pumps. 13 of 22 Amanda Seyfried Splash News WHAT SHE WORE At the Lovelace screening, Seyfried wore a metallic polka-dot navy chiffon Gucci ensemble and her beloved strappy Givenchy stilettos. 14 of 22 Lucy Hale Brian Ach/Getty Images for Avon WHAT SHE WORE Hale accessorized her Paper London ensemble, which included a sheer geometric patterned top and a black circle skirt, with a boxed clutch and sky-blue ankle-strap pumps. 15 of 22 Emmy Rossum Michael Simon/startraksphoto.com WHAT SHE WORE Rossum stepped out in a blue ceramic print wrap dress from the new Banana Republic x Issa collection. She completed her look with a black Gerard Darel shoulder bag and lace-up booties. 16 of 22 Nina Dobrev Byron Purvis/AdMedia WHAT SHE WORE At the Teen Choice Awards, Nina Dobrev elected for paint-splattered print J. Mendel separates: A plunging peplum top and matching tailored pants. Diamond Martin Katz earrings, a bright orange Devi Kroell clutch and dark Dolce & Gabbana sandals completed her look. 17 of 22 Selena Gomez Stewart Cook / Rex WHAT SHE WORE Gomez walked the red carpet in a sexy cut-out hunter-green Cushnie et Ochs dress double slits, keeping accessories to a minimum, save for aqua drop earrings and nude Nicholas Kirkwood pumps 18 of 22 Lily Collins Steve Granitz/WireImage WHAT SHE WORE Collins kept all attention on her dramatic palm-tree-print Fausto Puglisi high-low skirt, pairing it with a silk black Houghton top, Anita Ko spike earrings and ankle-strap Brian Atwood pumps. 19 of 22 Kerry Washington Jon Kopaloff/FilmMagic WHAT SHE WORE Washington flaunted her legs in a long-sleeve blush Stella McCartney mini shift embroidered with playful hearts, lips and crystal embellishments. To counter her sweet look, she stepped into an edgy pair of silver studded Christian Louboutin pumps. 20 of 22 Emma Roberts Theo Wargo/Getty Images WHAT SHE WORE On Late Night with Jimmy Fallon, Emma Roberts made an appearance in an off-shoulder cream-colored Three Floor dress with a nude panel and scalloped edges. Black pumps complemented the dress' black accents. 21 of 22 Amber Heard Jon Kopaloff/FilmMagic) WHAT SHE WORE Heard worked the red carpet in a sky-blue, black and ivory silk draped Vionnet dress with beaded embellishments. 22 of 22 Toronto Sean O'Neill, PacificCoastNews.com Collins hit Toronto's premiere in a demure-yet sexy-long sleeved ivory lace Houghton column with an open back.