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 March 27, 2015 @ 10:43AM Pin Share Tweet Email Trending Videos Photo: Andrew Goodman/Getty Images Looks of the Week 01 of 22 Shailene Woodley Bauer-Griffin Shailene Woodley chose a fiery red Donna Karan gown for the Divergent premiere in Spain. She accessorized with a simple pendant necklace, clean makeup, and a side-swept updo. 02 of 22 Rosario Dawson MediaPunch Inc/REX USA Rosario Dawson worked a dusty pink Elie Saab jumpsuit to a Montblanc event celebrating 90 Years of the Iconic Meisterstuck in New York City. Gold sandals and an Edie Parker clutch finished the look. 03 of 22 Chanel Iman Johns PKI / Splash News Also at the Montblanc event in New York City, Chanel Iman chose a brown leather Kaufmanfranco harness top with a wrap skirt and nude heels.Also at the Montblanc event in New York City, Chanel Iman chose a brown leather harness top with a wrap skirt and nude heels. 04 of 22 Coco Rocha Erik Pendzich/REX USA Coco Rocha looked sharp and chic at the Women in the World Summit in New York in a black peplum top and pencil skirt, accessorizing with ankle-strap sandals and an edgy statement necklace. A punchy orange lip completed the ensemble. 05 of 22 Jessica Pare Peter West/ACE/INFphoto Jessica Pare brought the glam to the Season 7 premiere of Mad Men in an iridescent green one-sleeve Antonio Berardi frock and Christian Louboutin pumps. Creamy pink lips and a super-slick poinytail finshed the look. 06 of 22 Elisabeth Moss FayesVision/WENN Also at the Season 7 premiere of Mad Men, Elisabeth Moss worked a black leather Alexander McQueen dress with a thigh-high slit. 07 of 22 January Jones Gregg DeGuire/WireImage January Jones chose an asymmetrical Roksanda Ilincic dress with a bold gold plated belt for the Mad Men premiere. She accessorized with Stuart Weitzman sandals and a piecy side braid. 08 of 22 Kristen Bell Robin Marchant/Getty Images At the American Express #EveryDayMoments event, Kristen Bell chose a Camilla and Marc frock with mesh detailing. The star accessorized with black pumps and breezy waves. 09 of 22 Kate Upton Famous/ACE/INFphoto Kate Upton hit the London premiere of her film The Other Woman in a curve-hugging WilliamVintage dress with a cinched waist, and adorned the retro look with Adler statement earrings. 10 of 22 Shailene Woodley Landov Shailene Woodley wowed at the Germany premiere of Divergent in a plunging Zuhair Murad gown with gold embellishments. Minimal jewelry and a shiny red lip finished the look. 11 of 22 Cameron Diaz Wenn At The Other Woman premiere, Cameron Diaz worked a Dior LBD, chunky-strap Brian Atwood pumps, and a deep red lip. 12 of 22 Kate Upton Wenn Kate Upton brought the glam to the premiere of The Other Woman in London in a white hot Christian Siriano dress, Tacori earrings, nude pumps, and a retro hairstyle. 13 of 22 Jennifer Connelly Stephane Cardinale/People Avenue/Corbis Jennifer Connelly dazzled at the Paris premiere of Noah in a custom Louis Vuitton look with embroidered silver mirror sequins. She completed the look with black leather pumps and a metallic clutch, also by the designer. 14 of 22 Karlie Kloss John Lamparski/WireImage Karlie Kloss worked a black dress with a peplum-style bodice at The New Museum Spring Gala at Cipriani in New York City. 15 of 22 Jennifer Connelly INFphoto Jennifer Connelly made an entrance at the London premiere of Noah in an intricate Alexander McQueen masterpiece with a floral bodice and organza black skirt. 16 of 22 Emma Watson Lia Toby/WENN At the London premiere of Noah, Watson dropped jaws in a one-of-a-kind silk cady Ralph Lauren column halter gown with hand-pleated silk georgette panel, complete with double Jennifer Fisher bar cuffs and rings, diamond Anita Ko ear cuffs, and a metallic Jimmy Choo clutch. 17 of 22 Cobie Smulders Thelonius / Splash News Smulders pulled out all the stops at the Captain America: The Winter Soldier screening in a navy deep v-neck Sportmax dress with a leather belt and an asymmetric hem, styled to the max with an embellished clutch, Veronika Borchers for Pearl Collective earrings, and Stuart Weitzman sandals. 18 of 22 Rosie Huntington-Whiteley AKM-GSI Huntington-Whiteley stepped out showing off her legs for days in a dove-gray Marios Schwab mini dress with a cashmere asymmetric knitted bodice, pairing it with a set of bangles and neutral pumps. 19 of 22 Shailene Woodley Sipa USA Woodley swept the red carpet at the Divergent London premiere in a lace-trimmed azure blue Stella McCartney gown, with her favorite gold pendant and a gold arm cuff for jewelry. 20 of 22 Katy Perry Andreas Branch/Patrick McMullan/Sipa USA Perry took on bold, slightly futuristic look at the MOCA 35th Anniversary Gala in a sleek black high-neck Versace Collection gown with neon yellow-lined panels. She stuck with theme with her accessories, adding neon yellow bracelets, a white Edie Parker clutch with glow-in-the-dark sides, and pink PVC-accented Christian Louboutin pumps. 21 of 22 Margot Robbie Jon Furniss/Invision/AP Robbie accepted the Best Female Newcomer Award at the 2014 Jameson Empire Awards in a red-hot off-the-shoulder Paper London jumpsuit with a black waistband, accessorizing her look with Solange Azagury-Partridge jewelry and a sparkly clutch. 22 of 22 Emma Stone Andrew Goodman/Getty Images At the Amazing Spider-Man 2 event, Emma Stone showed off her expertise in menswear-inspired looks in tailored Balenciaga pieces, including a gray vest over a crisp black-and-white top, and cropped black trousers. Black asymmetrical strappy sandals and delicate rings (by Melissa Kaye and Dana Rebecca Designs) delivered just the right dose of femininity.