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 @ 10:58AM Pin Share Tweet Email Trending Videos Photo: Michael Loccisano/Getty Images Looks of the Week 01 of 22 Sarah Jessica Parker Gregory Pace/BEImages Sarah Jessica Parker took in the Calvin Klein spring/summer 2015 show at NYFW in a standout cobalt blue moto-style Calvin Klein Collection trench coat, with aviators, a black clutch, and black pumps. 02 of 22 Dakota Fanning Angela Pham/BFAnyc/Sipa USA Dakota Fanning, in head-to-toe Saint Laurent, blended a slew of girly accents into one look, including sequins, ruffles, and bows. The result? Dramatic without crossing into too-girly territory. 03 of 22 Emma Stone CHP/FAMEFLYNET PICTURES Emma Stone wowed at the Magic in the Moonlight in a fringed black Chloe design with a lace skirt. Retro waves, Melinda Maria earrings, and black velvet ankle-strap Christian Louboutin sandals with flower embellishment. 04 of 22 Olivia Munn Neil Rasmus/BFAnyc/Sipa USA Olivia Munn dined with her stylist Micaela Erlanger at her Mercedes-Benz Fashion Week dinner in a stunning gilded embroidery mini dress, impeccably styled with a mini clutch, Graziela Gems earring, an EFFY Jewelry ring, and metallic Louboutins. 05 of 22 Rooney Mara Gregory Pace/BEImages Rooney Mara was all smiles from the front row at the Calvin Klein spring/summer 2015 show in a cream sleeveless Calvin Klein Collection sweater dress, with black ankle boots. 06 of 22 Keira Knightley Lu Chau/WENN Keira Knightley made a delightful move for her Laggies photocall look, selecting a high-neck top and mid-length skirt, both by Stella McCartney, playfully printed with superhero masks. She tied the two together with a statement red-and-blue banded belt and black pumps. 07 of 22 Kate Bosworth JUSTIN CAMPBELL/startraksphoto Kate Bosworth glowed from the front row at the Boss spring/summer 2015 show in head-to-toe Boss: an ethereal pale aqua blue satin creation with a sheer overlay skirt, complete with a black clutch and two-toned ankle-strap sandals. 08 of 22 Olivia Munn Dimitrios Kambouris/Getty Images for Michael Kors Olivia Munn embraced the one-piece wonder at the Michael Kors spring/summer 2015 show during NYFW with a suntan eyelet jacquard Michael Kors jumpsuit that she simply styled with Michael Kors black sandals. 09 of 22 Jessica Alba Kevin Mazur/Getty Images for The Honest Company Jessica Alba turned heads in a figure-flattering fuchsia Roland Mouret sheath, expertly accessorizing with a black carryall and metallic silver pumps. 10 of 22 Jamie Chung Nancy Rivera/Splash News Jamie Chung hit a red carpet event in an alluring color palette of red and black with a sexy black cami, a printed mid-length pencil skirt and black-capped red Jerome C. Rousseau pumps. 11 of 22 Jennifer Aniston Jason Merritt/Getty Images One thing's for sure, Jennifer Aniston knows what looks good on her. The actress slipped on a tailored navy-and-black Sportmax dress with ankle-strap sandals at the Cake press conference at TIFF. 12 of 22 Keira Knightley Stefanie Keenan/Getty Images for GREY GOOSE Vodka Keira Knightley was a vision in white at The Imitation Game premiere party during TIFF in an embellished creation that flared out into a frothy tulle skirt. Ankle-strap velvet mauve sandals completed her look. 13 of 22 Dakota Fanning Paul Morigi/WireImage Dakota Fanning took her front row seat at Rodarte spring/summer 2015 show in, naturally, head-to-toe Rodarte: An ivory silk blazer over a white bodysuit and silk brocade skirt, with a lock-and-chain necklace and taupe croc heels. 14 of 22 Jennifer Lopez Jim Spellman/WireImage Jennifer Lopez delivered a fierce look at Fashion Rocks in an open-leg black Atelier Versace stunner with gold metal belt and metal hardware cut-outs connected by a choker. Statement hoops, a diamond EFFY Jewelry ring, a gilded Thale Blanc clutch, and black pumps completed her look. 15 of 22 Alexa Chung Astrid Stawiarz/Getty Images Alexa Chung sat front row at the Marc by Marc Jacobs spring/summer 2015 show in a playful polka dot blouse that she tucked into a high-shine blush pink pencil, accessorizing with a black leather choker, a mini Mark Cross bag, and lace-up heels. 16 of 22 Hailee Steinfeld Leonard Adam/Getty Images Hailee Steinfeld gave her red carpet look a refined spin at The Keeping Room premiere at TIFF with a beautiful long-sleeve floor-grazing mixed-print Dolce & Gabbana design, styling her look with Graziela Gems rings. 17 of 22 Diane Kruger Kevin Mazur/Getty Images for InStyle Diane Kruger arrived at the InStyle 20th Anniversary Party in an exquisitely embroidered purple Prabal Gurung creation (that showed on the spring 2015 runway, a couple days ago). A bright fuchsia pouch (to match her bold lip) encased in a Charlotte Olympia Perspex clutch and ankle-strap white pumps completed her look. 18 of 22 Kate Bosworth J. Countess/WireImage Kate Bosworth selected a red-hot sequined Boss number for the Still Alice premiere at TIFF, accessorizing with a rose gold-silver mirrored Lee Savage clutch and red Kurt Geiger pumps. 19 of 22 Chloe Grace Moretz Michael Tran/FilmMagic Chloe Grace Moretz struck a pretty pose at The Equalizer premiere at TIFF in an embroidered off-white and dark blue silk Dior Haute Couture creation, with iridescent studs and silver peep-toes. 20 of 22 Elizabeth Banks Chris Pizzello/Invision/AP Elizabeth Banks shows us the new way to wear a suit at the Love & Mercy premiere at TIFF in bold tailored Chloe suit separates printed with blooming florals, styling it with a midriff-baring cami, a floral Jimmy Choo clutch, jewelry by Vita Fede and Dana Rebecca Designs, and black pumps. 21 of 22 Amanda Seyfried Walter McBride/INFphoto.com Amanda Seyfried embraced lace at the While We're Young premiere at TIFF in a pretty lace Valentino number with an ivory short-sleeve bodice and colorful floral skirt. Dana Rebecca Designs studs and two-toned Jimmy Choos rounded out her look. 22 of 22 Allison Williams Michael Loccisano/Getty Images Allison Williams took her front row seat the DVF spring/summer 2015 show at NYFW in a gingham-accented "Samella" LWD from the new collection and white "Bethany" pumps.