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 @ 10:48AM Pin Share Tweet Email Trending Videos Photo: Luiz C. Ribeiro/Invision/AP Looks of the Week 01 of 22 Emma Stone Elliot / Splash News At the world premiere of The Amazing Spider-Man 2: Rise of Electro, Emma Stone shone bright in a sensational sunny yellow pleated Atelier Versace custom creation that she accented with a gold collar necklace, glamorous retro waves and a red lip. 02 of 22 Kate Bosworth MediaPunch Inc/REX USA Kate Bosworth looked utterly ethereal at the Tiffany & Co. 2014 Blue Book debut in a strapless blush pink Katie Ermilio gown, adding shine with diamond Tiffany & Co. jewels and a mirrored Rauwolf clutch. 03 of 22 Jessica Biel Mike Coppola/Getty Images Jessica Biel also attended the Tiffany & Co. 2014 Blue Book event, accessorizing her plunging black Oscar de la Renta silk velvet gown with Tiffany & Co. jewelry, which included a brilliant diamond drop necklace and diamond earrings, and a black-and-white Oscar de la Renta clutch. 04 of 22 Julianne Hough Celebrity Monitor/Splash News Julianne Hough bared her midriff at the Kaleidoscope ball in a blush cut-out Philosophy by Natalie Ratabesi dress, teaming it Dana Rebecca Designs jewelry, a nude clutch, and gold strappy sandals. 05 of 22 Kate Mara Jim Smeal/BEImages Kate Mara sparkled at the Transcendence premiere in an embellished Valentino mini dress, complete with strappy metallic Jimmy Choos. 06 of 22 Diane Kruger AbcaUSA At the premiere screening of Fargo, Diane Kruger stunned in a sexy and edgy black silk knit Zuhair Murad jumpsuit with a lace-up bodice and exaggerated shoulders, while gripping a gold box clutch. An assortment of Jacquie Aiche earrings also lent edge. 07 of 22 Kate Bosworth Splash News Kate Bosworth graced the red carpet in a blush pink embellished Giambattista Valli Couture mini, complete with a bow across the bodice that lead to a train down the back. Rose gold Casadei pumps completed her look. 08 of 22 Olivia Munn Pacific Coast News Olivia Munn styled her black-and-white print tapered trousers with a pretty white lace Heartloom top, a selection of mixed metals (including a long Stella & Dot necklace and bracelets), a purple clutch, and printed ankle-strap sandals. 09 of 22 Hannah Simone Splash News Hannah Simone supported her New Girl co-star at Tommy Hilfiger's "To Tommy From Zooey" event also wearing one of the collection's designs-a navy fringe LWD with a nautical motif. Two-toned platform pumps rounded out her look. 10 of 22 Miranda Kerr Splash News With son Flynn, Miranda Kerr stepped out in NYC looking impeccable in shades of blue. She layered a knitted white sweater over a blue Oxford paired with denim skinnies. A standout cobalt blue topper and blue suede sling-backs rounded out her street style look. 11 of 22 Lupita Nyong'o Splash News Lupita Nyong'o got flirty wearing a fit-and-flared floral-embroidered Giambattista Valli Couture frock, adding a hint of glam with Graziela Gems jewelry and metallic Christian Louboutin pumps. 12 of 22 Emma Stone David M. Benett/WireImage Emma Stone attended The Amazing Spider-Man 2 photo call looking sharp in a tailored gray check suit and a crisp white button-down, styled with EF Collection earrings and classic black Christian Louboutin pumps. 13 of 22 Kate Mara Jim Smeal/BEImages Kate Mara tried her hand at the menswear trend, wearing a burgundy wool serge Dior tuxedo vest dress, accessorizing with a gold bejeweled Dolce & Gabbana clutch and rose gold Rupert Sanderson ankle-strap heels. 14 of 22 Cameron Diaz INFphoto Cameron Diaz made an entrance at The Other Woman premiere, if not for the exquisitely gold embroidered Emilio Pucci mini dress, then for her seriously enviable legs that never seemed to end-an illusion created with the help of nude Manolo Blahnik pumps. 15 of 22 Jennifer Garner Startraksphoto Jennifer Garner rocked a jumpsuit at the Draft Day premiere, selecting a custom black Max Mara one-piece, complete with a leather belt. As for accessories, she went with a diamond Melissa Kaye lariat necklace, a Dana Rebecca Designs bangle, rings by Graziela Gems and EF Collection, and a metallic Roger Vivier clutch. 16 of 22 Rashida Jones Charles Sykes/Bravo/NBCU Photo Bank Rashida Jones looked picture-perfect in a navy sheer white-collar embellished Erdem dress, styling it with Rose+Stone Claw rings and gold mirror Rupert Sanderson pumps. 17 of 22 Maggie Gyllenhaal Marco Piovanotto/ABACAPRESS Maggie Gyllenhaal debuted a blonde 'do at the MIPTV Opening Ceremony in a sheer embroidered Valentino gown, giving her look some edge with cool spiked earrings and Jennifer Meyer bracelets and ring. 18 of 22 January Jones Michael Kovac/Getty Images January Jones charmed in prints, playfully selecting a navy-and-white polka dot coat dress with matching shorts, both by Schumacher, with white pumps. 19 of 22 Kristen Bell Tommaso Boddi/WireImage Bell stepped out for a good cause, attending 2nd Light Up the Blues Concert to benefit Autism Speaks in a black floral-embroidered Alberta Ferretti dress, with Demarco diamond earrings and strappy black Louboutins. 20 of 22 Jamie Chung Sara Jaye Weiss/StartraksPhoto Chung was spotted out and about in NYC in a white cut-out Elizabeth and James top and blush pink trousers that she topped with a khaki trench. A light gray Henri Bendel Whitney Satchel and white Schutz pumps completed her look. 21 of 22 Anne Hathaway Michael Buckner/Getty Images At the 3rd Annual Reel Stories, Real Lives Benefit, Hathaway stood out in a single print, wearing tan-and-black polka dot Paule Ka separates with black strappy Casadei heels. 22 of 22 Sarah Jessica Parker Luiz C. Ribeiro/Invision/AP Parker went for gold at the 2014 DVF Awards, presenting an award in a gilded metallic DVF wrap dress, styling her look with a single bangle on each wrist and black pumps.