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 @ 10:37AM Pin Share Tweet Email Trending Videos Photo: Michael Simon/startraksphoto Looks of the Week 01 of 22 Cameron Diaz MJT/AdMedia/Sipa USA At CinemaCon 2014, Cameron Diaz served up an on-point look in a flirty gray tennis-inspired Victoria Beckham dress that cut away revealing a pleated white underskirt, styling her look with nude pumps. 02 of 22 Emma Stone Christopher Polk/Getty Images Stone was all smiles at The Amazing Spider-Man 2 fan event in a magenta guipure tulle knit Dior midi dress, keeping her look monochromatic with matching satin d'Orsay Christian Louboutin pumps. 03 of 22 Naomi Watts Venturelli/Getty Images Watts dropped jaws in a royal blue sleeveless Elie Saab jumpsuit with lace detailing. A pair of danglers and a metallic gold clutch added the right dose of glam. 04 of 22 Shailene Woodley Kabik/Starlitepics/ABACAPRESS Woodley stepped out rocking the menswear trend in khaki-colored Dolce & Gabbana separates (a vest and matching cropped trousers) paired with a white top, a gold circular pendant necklace, and white python Christian Louboutin brogues, all of which made for a boyishly charming look. 05 of 22 Margot Robbie FameFlynet, Inc Robbie turned heads at two Hugo Boss grand store openings in Hong Kong, wearing a black-and-nude mesh-like Hugo Boss midi dress that she styled with standout gold Ippolita rings and black accessories. 06 of 22 Emma Watson FameFlynet Emma Watson attended the Noah premiere in New York City in a black duchess satin Oscar de la Renta gown with a velvet bow. An Ana Khouri ear cuff, Jennifer Meyer rings, a Roger Vivier clutch and punchy orange lip finished the look. 07 of 22 Jennifer Connelly PA PHOTOS /LANDOV Also at the the Noah premiere, Jennifer Connelly worked a leather and tweed Louis Vuitton dress and burgundy boots. 08 of 22 Miranda Kerr Santi/Splash New Miranda Kerr looked ready for spring in NYC in a Dolce & Gabbana dress, Escada coat and printed Louboutin pumps. 09 of 22 Emma Watson Kristin Callahan/ACE/INFphoto For her appearance on Late Show with David Letterman, Emma Watson stunned in a sharp Saint Laurent suit styled with a crisp buttoned-up top, Eva Fehren jewelry, a gunmetal silver clutch, and patent black Christian Louboutin sling-backs. 10 of 22 Emma Stone ChinaFotoPress/ChinaFotoPress via Getty Images Stone color-blocked at The Amazing Spiderman 2 photo call with a poppy red top and oxblood trousers, both by Roland Mouret, keeping accessories to a minimum with Red C Jewels studs and ring, and burgundy Christian Louboutin pumps. 11 of 22 Maggie Gyllenhaal David X Prutting/BFAnyc/Sipa USA At a private dinner in honor of Dries Van Noten, Gyllenhaal arrived in a pretty multicolored floral-print Dries Van Noten design with two-toned gold open-toe sling-backs (also from the same collection) and a simple black clutch. 12 of 22 Camilla Belle Donato Sardella Belle lit up the Christian Louboutin celebration of the "Passage" handbag collection in a goldenrod yellow Gucci shirtdress with a matching belt, nude Louboutin pumps, while aptly carrying an oversize leopard-print Louboutin bag. 13 of 22 Emmy Rossum Donato Sardella Rossum also joined in on the Christian Louboutin "Passage" bag launch, appropriately accessorizing her black-and-white floral print dress with a black Louboutin clutch and cobalt blue Louboutin pumps. 14 of 22 Olivia Palermo Michael Simon/startraksphoto Street style star Olivia Palermo took Mr. Butler out for a walk, elevating distressed skinnies with a crisp white button-down layered with a pink tweed coat. Cool shades, a long chain pendant necklace, an oversize hot pink pouch, and cheery multicolored pumps completed her look. 15 of 22 Scarlett Johansson FameFlynet Johansson attended the Captain America: Winter Soldier press conference in Beijing in a sleeveless sculpted tweed dress with ruffled tiered hems. A selection of standout jewelry, from danglers to cocktail rings, and gray suede peep-toes served as her accessories. 16 of 22 Olivia Palermo Andres Otero/Everett Collection Palermo smartened up at the Rachel Zoe dinner in a black power suit that she made casual with a white top, a luxurious multicolored fur overcoat and mesh pumps. 17 of 22 Anne Hathaway Rolando Rodriguez/Sipa USA At the Rio 2 premiere, Anne Hathaway dared to stand out in a red-and-purple color-blocked crepe satin Roksanda Ilincic dress, picking up on the violet tones with lilac Charlotte Olympia peep-toes, and accessorizing with jewelry by Rona Pfeiffer and Eva Fehren. 18 of 22 Kiernan Shipka Peter West/ACE/INFphoto Shipka stepped out in a lovely spring-ready floral Dolce & Gabbana sheath, styled impeccably with diamond Dana Rebecca Designs studs and rose gold mirrored Aldo sandals. 19 of 22 Victoria Beckham AKM-GSI Beckham worked the wide-leg pant trend, piecing together an incredibly chic look with pale-blue Chloe trousers, a simple white top, aviators, and heels. 20 of 22 Anna Kendrick Ciao Hollywood / Splash News Kendrick revealed a darker, vamp-ier side in an oxblood-red lace J. Mendel dress that she accessorized with Jack Vartanian jewelry, a Rauwolf clutch, and burgundy Christian Louboutin pumps. 21 of 22 Nina Dobrev Kevin Johnson/Press Line Photos/Splash News Dobrev went the girly route, topping off her embellished navy keyhole Michael Kors dress with a pretty hair bow, and accessorizing with a silver confetti Edie Parker box clutch and embellished ankle-strap Aperlai sandals. 22 of 22 Emmy Rossum Michael Simon/startraksphoto Out and about in Los Angeles, Emmy Rossum styled her pale blouse and DL1961 Instasculpt jeans with a hot pink J Brand moto jacket, adding a black Zadig & Voltaire cross-body purse and black patent pumps to round out her look.