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 January 24, 2014 @ 04:24PM Pin Share Tweet Email Trending Videos Photo: Splash News Looks of the Week 01 of 22 Julianne Hough Lionel Hahn/AbacaUSA/startraksphoto WHAT SHE WORE At Delta's pre-Grammys event, Julianne Hough proved that an all-black ensemble is never boring. She paired a sheer sleeveless crop top with high-waisted pants and added subtle pops of color with a metallic box clutch and two-toned Isabel Marant pumps. 02 of 22 Allison Williams Marcus Owen/startraksphoto WHAT SHE WORE Williams looked pretty in blush pink (one of this season's hottest colors) in a printed satin sweatshirt tucked into a matching skirt. Jennifer Fisher jewelry, black tights and booties rounded out her look. 03 of 22 Vanessa Hudgens Michael Simon/startraksphoto WHAT SHE WORE Hudgens struck a pose in an embellished forest green crop top and matching midi skirt, styling her look with tights and black pumps. 04 of 22 Abbie Cornish Eric Charbonneau/Invision for SPE/AP Images WHAT SHE WORE Cornish worked her curves at the RoboCop photo call in a cut-out Philip Armstrong LWD with sheer inserts, keeping her look minimalist with a set of earrings, a Graziela Gems ring, and nude pumps. 05 of 22 Vanessa Hudgens Johns PKI / Splash News WHAT SHE WORE At the New York City premiere of Gimme Shelter, Vanessa Hudgens struck the right balance between elegance and sexiness in a black tulle Monique Lhuillier gown with a nude embellished slip underneath, accessorizing with a selection of delicate jewelry and a black Edie Parker box clutch. 06 of 22 Mary Elizabeth Winstead Jordan Strauss/Invision/AP WHAT SHE WORE Winstead got glam in a one-shoulder silver-and-white print asymmetric Osman dress, simply styling her look with a black Edie Parker box clutch and black strappy stilettos. 07 of 22 Rosario Dawson Kristina Bumphrey/Startraksphoto WHAT SHE WORE Dawson attended the premiere of Gimme Shelter in a contrasting two-toned body-hugging Antonio Berardi dress with geometric lines and sheer sleeves. Graziela Gems ear cuffs, an EF Collection black diamond ring, white box clutch and black pumps served as her accessories. 08 of 22 Zooey Deschanel Tommaso Boddi/WireImage WHAT SHE WORE Deschanel was spotted (literally) in a playful black Dolce & Gabbana frock sprinkled all over with white polka dots. Classic black pumps completed her look. 09 of 22 Emma Roberts Tommaso Boddi/WireImage WHAT SHE WORE Roberts was also partial to a black-and-white color palette, styling her black cut-out Cushnie et Ochs top with a white A-line skirt and black Christian Louboutin heels. 10 of 22 Elizabeth Banks Todd Williamson/Invision for unite4good/AP Images WHAT SHE WORE At the 2014 Sundance Film Festival, Elizabeth Banks worked windowpane lines into her wardrobe with a black-and-white Tattersall jacquard Ralph Lauren sweater dress, pairing her look with an EF Collection ring, tights and over-the-knee boots. 11 of 22 Kate Bosworth Splash News and Pictures WHAT SHE WORE Bosworth knows how to jet-set in style, arriving at LAX in head-to-toe Dior, from her statement-making leather coat with lace sleeves, to her gray purse to her playfully embroidered pumps. 12 of 22 Reese Witherspoon RCF/INFphoto WHAT SHE WORE Witherspoon dressed for LA weather in a black sweater and a black-and-white printed skirt that she styled with black accessories and gold jewelry. 13 of 22 Jessica Alba Theo Wargo/Getty Images WHAT SHE WORE Alba appeared on Late Night with Jimmy Fallon in a look by Blumarine: a sheer polka-dot top tucked into a white-and-black floral-and-butterfly print pencil skirt. She accessorized with a selection of gold jewelry and matching black-and-white T-strap Casadei heels. 14 of 22 Tilda Swinton Bertrand Rindoff Petroff/Getty Images WHAT SHE WORE At the Chanel couture show in Paris, Tilda Swinton took the Western theme out of her Chanel's pre-fall look by stylishly pairing the star-spangled sweater and striped fringe wide-crop trousers with a knotted scarf, textured white tights and black-and-white pumps. 15 of 22 Margot Robbie Marc Robertson/Newspix/Rex/REX USA WHAT SHE WORE Robbie knows the power of a strong outfit-making coat, topping off her LWD with a red-and-white paisley printed Giambattista Valli silk overcoat. She wore a gold Jacquie Aiche finger bracelet, and as for shoes, she stayed within the confines of her ensemble's color palette with patent red Rupert Sanderson pumps. 16 of 22 Olga Kurylenko Antonio de Moraes Barros Filho/WireImage WHAT SHE WORE Kurylenko delivered a strong Chanel look at the label's couture show in Paris, tucking in a crisp buttoned-up shirt into a gray A-line skirt with pearl-accented bangles (on both wrists), a chained cross-body purse and ladylike T-strap pumps. 17 of 22 Allison Williams PJB/SIPA WHAT SHE WORE Williams struck a pose at the Dior couture show in a belted knit oxblood top with matching oxblood leather pants. Her shoe of choice: Dior pumps with yellow piping. 18 of 22 Lupita Nyong'o Rob Latour/REX USA WHAT SHE WORE At the 2014 Producers Guild of America Awards, Lupita Nyong'o once again looked impeccable in a nude asymmetric Stella McCartney dress, styling her look with a matching snakeskin clutch, Jamie Wolf earrings and strappy Stella McCartney heels. 19 of 22 Claire Danes Peter West/ACE/INFphoto WHAT SHE WORE Danes played bold in a Christian Dior design that boasted a sky blue metallic twisted peek-a-boo top with a white midi pencil. Irene Neuwirth jewelry and gray pumps completed her look. 20 of 22 Sandra Bullock Steve Granitz/WireImage WHAT SHE WORE Bullock made a statement at the 2014 SAG Awards in a metallic emerald Lanvin number with a gathered bow-topped bodice and an asymmetric hem. She kicked up the shine factor even further with a metallic Roger Vivier clutch and strappy Jimmy Choos. 21 of 22 Jennifer Lawrence Kevin Mazur/WireImage WHAT SHE WORE Lawrence sparkled at the 2014 SAG Awards in a strapless Christian Dior Couture column embedded with iridescent sequins, which alone was enough to make a statement, rendering other accessories irrelevant, save for geometric drop Jennifer Meyer earrings. 22 of 22 Jamie Chung Splash News WHAT SHE WORE At the Klondike premiere, Jamie Chung looked striking in a sheer sleeveless BCBG Max Azria tucked into a pale-yellow pencil midi. Her accessories included a delicate gold necklace and a pair of nude pumps.