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InStyle's editorial guidelines Updated on March 27, 2015 @ 10:19AM Pin Share Tweet Email Photo: National Photo Group Looks of the Week 01 of 22 Emma Watson EPA/JOERG CARSTENSEN /LANDOV WHAT SHE WORE At the Berlin premiere of Noah, Emma Watson turned heads in a navy-and-black tulle chiffon Wes Gordon racerback gown, tied with a floor-length bow at the back. To avoid drawing attention elsewhere, she kept accessories to a minimum, save for black Ana Khouri studs. 02 of 22 Cobie Smulders Axelle Woussen/Bauer-Griffin WHAT SHE WORE Smulders hit the Captain America: The Winter Soldier premiere in black Stella McCartney separates, injecting some shine with Joan Hornig icicle earrings, Rona Pfeiffer cuff, and rings by Dana Rebecca Designs and EF Collection, and color with a pink Zagliani clutch and pink Casadei pumps. 03 of 22 Jennifer Connelly Norbert Kesten/Rex/REX USA WHAT SHE WORE Connelly was the very definition of simple elegance at the Berlin premiere of Noah in a black velvet Lanvin column with studs and a tiny stack of bracelets. 04 of 22 Jamie Chung Andrew H. Walker/Getty Images WHAT SHE WORE At the launch of Brancott Estate Flight Song, Jamie Chung celebrated the occasion in white Zara separates (a crop top and midi skirt), effortlessly styled with a studded BCBG Max Azria moto jacket, a mirrored clutch, and Alejandro Ingelmo T-strap pumps. 05 of 22 Kristen Bell Splash News and Pictures WHAT SHE WORE Bell graced the Veronica Mars premiere in a soft-yet-sexy blush-pink strapless J. Mendel gown with a thigh-high slit. Rose-gold Piaget earrings, a white J. Mendel clutch, and nude heels served as her accessories. 06 of 22 Emmy Rossum J Grassi/Patrick McMullan/Sipa USA WHAT SHE WORE Rossum brought on the glam at Art Production Fund's White Glove Gone Wild Gala in a sweeping blue floral Carolina Herrera ball gown. 07 of 22 Jessica Alba Michael Kovac/Getty Images WHAT SHE WORE At the Anthropologie Celebrates "A Denim Story" by Emily Current, Meritt Elliott and Hilary Walsh event, Jessica Alba made a statement in a blue double-breasted leopard-print Anthropologie blazer, shrugging it on over a white tee and black J Brand skinnies, and flawlessly styling it with a selection of gold jewelry (including a TomTom necklace), a canary yellow clutch, and cobalt blue Casadei pumps. 08 of 22 Emmy Rossum Jamie McCarthy/Getty Images WHAT SHE WORE Rossum hit the Need for Speed screening in a black-and-nude printed Vera Wang sheath dress, picking up on the color palette with a black clutch and nude pumps. As for jewelry, she chose gold and ruby House of Lavande drop earrings. 09 of 22 Kristen Bell Michael Simon/startraksphoto WHAT SHE WORE Bell continued to promote the Veronica Mars movie in an Elizabeth and James ensemble (featuring a black sleeveless leather top and a mesh pencil skirt) paired with black Rupert Sanderson pumps. 10 of 22 Mandy Moore Michael Kovac/Getty Images WHAT SHE WORE Moore also attended the Anthropologie celebration of "A Denim Story" by Emily Current, Meritt Elliott and Hilary Walsh, appropriately draping a denim jacket over her white floral crop top and caramel leather pencil skirt, both by Tanya Taylor. Jennifer Meyer jewelry and classic black pumps completed her look. 11 of 22 Emmy Rossum Gary Miller/FilmMagic WHAT SHE WORE At the SXSW photo op of Before I Disappear, Emmy Rossum stunned in a Andrew Gn black dress with white-and-gold geometric panels. She kept up her sleek and sexy look with gold studded Brian Atwood sandals. 12 of 22 Debra Messing Michael Simon/startraksphoto.com WHAT SHE WORE Messing looked radiant in a siren-red fit-and-flared frock, perfectly paired with subdued gold jewelry and nude pumps. 13 of 22 Kristen Bell Girlie/FAMEFLYNET PICTURES WHAT SHE WORE After SXSW, Bell headed to NYC to walk the red carpet at the Veronica Mars premiere in a black lace strapless high-low Monique Lhuillier cocktail dress styled with black accessories and moody eye makeup. 14 of 22 Jessica Lowndes AKM-GSI WHAT SHE WORE Lowndes graced the 2014 Canadian Screen Awards in an azure-blue draped Halston Heritage gown with sheer sleeves. Her accessories of choice? AS29 diamond ring and metallic gold ankle-strap heels. 15 of 22 Eva Longoria F. Sadou/AdMedia /Sipa USA WHAT SHE WORE Longoria was all business at the Paycheck to Paycheck premiere in a blue-gray zippered Philosophy di Natalie Ratabesi tweed dress, elegantly paired with a black clutch and optic white pumps. 16 of 22 Kristen Bell Michael Buckner/Getty WHAT SHE WORE At the SXSW premiere of Veronica Mars, Kristen Bell turned heads in Naeem Khan separates-a beaded cropped top paired with a black taffeta ruffled skirt-that she styled with black peep-toes. 17 of 22 Krysten Ritter Michael Buckner/Getty WHAT SHE WORE Ritter also packed a punch at the Veronica Mars premiere, standing out in an ornate multicolored beaded Emilio Pucci mini dress with a black tube clutch and black strappy Brian Atwood sandals. 18 of 22 Camilla Belle Joe Schildhorn/BFAnyc/Sipa USA WHAT SHE WORE At the Salvatore Ferragamo Mid-Winter Gala Belle joined in on the festivities in a champagne Salvatore Ferragamo gown, complete with Van Cleef & Arpels jewelry and a metallic gold clutch. 19 of 22 Jessica Pare George Pimentel/WireImage WHAT SHE WORE Pare struck a pose at the Canadian Screen Awards in a sexy LBD with lace panels paired with diamond Vhernier earrings, a black clutch, and black Christian Louboutin pumps. 20 of 22 Beyonce Knowles Splash News WHAT SHE WORE In between her Mrs. Carter Show World Tour performances, Beyonce took a break, stepping out in a striped satin Topshop dress and black Kurt Geiger pumps. 21 of 22 Julianne Hough PAT/Splash News WHAT SHE WORE On a coffee run, Hough styled her long-sleeve Two by Vince Camuto button-down with distressed skinnies, a tan bucket bag, round shades, and tan ankle boots. 22 of 22 Cate Blanchett National Photo Group WHAT SHE WORE After her Oscar win, Blanchett was spotted out in Los Angeles in a black Roland Mouret jumpsuit paired with a black blazer, a black cross-body purse, and tan Melissa Shoes x Jason Wu flats.