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 September 5, 2014 @ 05:29PM Pin Share Tweet Email Trending Videos Photo: 247PapsTV/Splash News Looks of the Week 01 of 22 Alexa Chung Bryan Bedder/Getty Images for The Fragrance Group It-Brit Alexa Chung stopped by the launch of designer Christian Siriano's debut fragrance at his pop-up store in New York City in a feathered LWD, black patent booties, and a Mark Cross handbag. 02 of 22 Taylor Swift Beretta/Sims/Rex/REX USA Taylor Swift showed off her long legs in London in a flared black minidress, finishing the look with strappy sandals and a blush handbag. 03 of 22 Elizabeth Banks David Buchan/Getty Images for Westfield For an appearance on Extra, Elizabeth Banks color-coordinated her bright McQ Alexander McQueen bodycon dress with Sophia Webster sandals. She accessorized with Melinda Maria earrings and an EF Collection ring. 04 of 22 Lucy Liu Neilson Barnard/Getty Images for FIT Foundation Who says sparkle is only for nighttime? Lucy Liu dazzled at the Couture Council Award luncheon in a navy Carolina Herrera embellished dress. 05 of 22 Sarah Jessica Parker JDH Imagez/Splash News Sarah Jessica Parker proved she was a street style star when she was snapped out and about in NYC in a red-and-white striped top that she expertly paired with a full buttoned chunky striped midi-length skirt, complete with aviators, her usual stack of bracelets, a neutral handbag and violet purple pumps. 06 of 22 Natalie Dormer Samir Hussein/WireImage Natalie Dormer lit up the red carpet at the 2014 GQ Men of the Year Awards in a plunging yellow long-sleeve Emilio Pucci dress embellished all over with crystals. Wavy bombshell tresses and black strappy sandals completed her look. 07 of 22 Rita Ora David M. Benett/Getty Images Rita Ora also wowed at the 2014 GQ Men of the Year Awards in a stunning one-sleeve silver beaded Zuhair Murad Couture column with a sexy thigh-high slit. A smoky eye, diamond jewelry, and delicate nude Stuart Weitzman rounded out her ensemble. 08 of 22 Pippa Middleton David M. Benett/Getty Images Pippa Middleton took a more demure approach at the 2014 GQ Men of the Year Awards in a soft blush pink embroidered Boss creation, with dark metallic accessories. 09 of 22 Diane Kruger Michel Dufour/WireImage Diane Kruger added a touch of whimsy to her classic khaki trench with a swan embroidered collar, courtesy of a Red Valentino top layered underneath. A black chain purse and cool lace-up boots served as her accessories. 10 of 22 Uma Thurman SGP/FAMEFLYNET PICTURES Uma Thurman arrived at the "Backstage At Cinecitta" Exhibition at the Venice Film Festival in a beautiful burgundy chiffon pleated Jenny Packham dress that she accessorized with exquisite diamond Chopard jewelry and strappy metallic sandals. 11 of 22 Jennifer Lopez Diane Cohen/FA/FameFlynet Jennifer Lopez made an elegant entrance at the 39th Annual Hampton Classic Horse Show in a belted floor-grazing dress printed all over in graphic florals. A slicked back topknot and gold hoops were the finishing touches. 12 of 22 Victoria Beckham AKM-GSI Days after she was spotted at the airport in a casual rocker-chic ensemble, Victoria Beckham embarked a flight to New York City in a classic posh LBD, complete with a colorful carryall and black pumps. 13 of 22 Rosie Huntington-Whiteley Lek/INFphoto Rosie Huntington-Whiteley nailed in-between weather dressing in a summery blush pink floral mid-length dress with cowboy ankle boots. 14 of 22 Jamie Chung Michael Wright/WENN Jamie Chung was all smiles in a burgundy floral-print mini dress, styling it with mirrored sunnies, a leather cross-body, and espadrille wedges. 15 of 22 Victoria Beckham ©2014 RAMEY PHOTO For her flight from London to LAX, Victoria Beckham, rocked a worn-in Grateful Dead tee with dark distressed skinnies and ankle boots. Casual-chic at its best! 16 of 22 Jessica Alba Marcus/Splash News At the private screening of Barely Lethal, Jessica Alba traded in her denim skinnies for a wide-leg silhouette that she styled with a tucked-in graphic tee that she styled with a slouchy marled-knit gray cardi and black open-toed heels. 17 of 22 Jessica Chastain Splash News Jessica Chastain took her pup for a stroll in a beautiful cobalt blue fit-and-flared dress and optic white pumps. 18 of 22 Taylor Swift John Farr/Schneider-Press/SIPA Taylor Swift hit all the right notes at Deutscher Radiopreis in a sexy black-and-white cage bandeau crop top and a cage peplum skirt, both by Sass & Bide, complete with black Casadei pumps. 19 of 22 Naomie Harris Jackie Brown/Splash News Naomie Harris revealed her wild side at the Altuzarra for Target celebration in a plunging snakeskin-print Altuzarra x Target design, styling it with a neutral clutch and caramel brown pumps. 20 of 22 Olivia Palermo Gilbert Carrasquillo/GC Images Olivia Palermo took her front-row savant at Desigual in a black-and-white concentric circle-print dress, giving it her signature Palermo-approved spin with a sharp white waistcoat, a black skinny belt, studded shades, a seagreen Roland Mouret purse and nude lace-up Aquazzura sandals. 21 of 22 Jamie Chung © V. Flores/AFF-USA.COM Jamie Chung gave her NYFW front row look a playful spin with a black-and-white embroidered fringe BCBG Max Azria cape, a flirty flared mini skirt, a black Rebecca Minkoff backpack slung, and printed lace-up Sophia Webster heels. 22 of 22 Gwen Stefani 247PapsTV/Splash News Gwen Stefani made a sharp, red-hot appearance on the Today show in standout Altuzarra suit separates that matched her bold red lip. She grounded the vibrant shade with a casual white tee and black pumps.