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 @ 11:29AM Pin Share Tweet Email Trending Videos Photo: Marion Curtis/Startraksphoto Looks of the Week 01 of 22 Blake Lively Kevin Mazur/Getty Images for Michael Kors At the God's Love We Deliver Golden Heart Awards hosted by Michael Kors, Blake Lively made her first pregnant red carpet appearance in an oleander and lilac embroidered gown by the designer. She finished the glamorous look with her signature waves and Lorraine Schwartz jewels. 02 of 22 Halle Berry Mike Coppola/Getty Images for Michael Kors Halle Berry stepped out at the God's Love We Deliver Golden Heart Awards in a cutout white Michael Kors dress with navy trim, black pumps, and a Jorge Adeler ring. A tousled, hihglighted bob completed the ensemble. 03 of 22 Kate Mara Dimitrios Kambouris/Getty Images for H&M Kate Mara hit the Alexander Wang x H&M launch in N.Y.C. in a black dress from the collection with translucent panels and strappy black heels. 04 of 22 Jessica Chastain Donna Ward/Getty Images Jessica Chastain stopped by the Late Show With David Letterman in an ultra-elegant Temperley London halter jumpsuit and minimal accessories. 05 of 22 Amal Clooney AKM-GSI For her first post-wedding appearance back in London, Amal Clooney donned a checkered-print Oscar de la Renta dress, pointy-toe pumps, round sunglasses and a bright red handbag. 06 of 22 Emma Stone AKM-GSI Emma Stone headed to the taping of Good Morning America in a lovely bow-accented Giambattista Valli LWD, tempering the sweetness with a Vita Fede ring and studded caramel brown Valentino pumps. 07 of 22 Jaime King NIGNY/Splash News Jaime King was snapped headed to the beauty brand Nourage event in a flirty yellow floral-print chiffon Giambattista Valli dress that she accessorized with a black mini ladylike Dior handbag and black Dior pumps. 08 of 22 Nicole Richie Alo Ceballos/GC Images Nicole Richie hit the Sirius XM Studios in an emerald green high-neck long-sleeve top that she tucked into black-and-gold embroidered trousers, both by Blumarine. She styled her look with minimal jewelry, slicked back tresses, and black pumps. 09 of 22 Beyonce CHAB/AWAB/ZDS/WENN.com Beyonce is a pro at print mixology! The musician expertly paired a geo-graphic blouse with a polka-dot skirt and striped pumps, making sure to stick with the same black-and-white color scheme for a unified look. Black shades, a selection of necklaces and a black moto jacket (casually draped over her shoulders) served as the finishing touches. 10 of 22 Jessica Alba Ari Perilstein/Getty Images for SELF Jessica Alba unexpectedly paired feathery embellishments with pink ombre with a Lela Rose crop top and a sweeping, shin-grazing skirt. A delicate stack of bracelets, black sandals, and a chic chignon rounded out her look. 11 of 22 Jaime King David Krieger/Bauer-Griffin/GC Images Jaime King was clad head-to-toe in Dior, layering an off-white-and-black sleeveless cashmere coat over a printed silk scarf top and black wool high-waisted pants, complete with a mini ladylike handbag and cap-toe pumps. 12 of 22 Emma Stone Theo Wargo/NBC/Getty Images Emma Stone gave a wave from the set of The Tonight Show Starring Jimmy Fallon in a classic black sweater and a flirty windowpane-print pleated skirt, both by Proenza Schouler, with earrings by EF Collection and Dana Rebecca Designs, and siren-red Kurt Geiger pumps. 13 of 22 Miranda Kerr Han Myung-Gu/WireImage Miranda Kerr revealed a sliver of skin at the Wonderbra event in a white long-sleeve cropped knit and a neutral high-waisted pencil skirt, adding interest with fierce python print pumps. 14 of 22 Lily Aldridge Cindy Ord/Getty Images for Gilt Lily Aldridge celebrated her Fall Refresh collection for Gilt and BluePrint Juice in a black-and-white striped jacket and matching skirt by Thakoon, adding a pop of color with playful Sophia Webster sandals. 15 of 22 Jennifer Lawrence Stuart C. Wilson/Getty Images for BFI Jennifer Lawrence turned up the heat at the Serena premiere during the 2014 London Film Festival in a plunging tuxedo-style black wool Dior coat dress, complete with a single Dior pearl earring and black patent Brian Atwood pumps. 16 of 22 Emma Stone Amanda Schwab/Startraksphoto Emma Stone made an incredibly chic appearance at the NYC luncheon in celebration of her new film Birdman in Roland Mouret separates-a structured collared jacket and a shin-grazing graphic-print pencil skirt-with studs by EF Collection and Dana Rebecca Designs, and black pumps. 17 of 22 Amal Clooney Rex/REX USA Amal Clooney is back to work! The ever-stylish barrister stepped out in a chic cream shift with pine green accents at the bodice, cuffs, and hemline. A dark carryall, delicate drop earrings, and neutral pumps rounded out her look. 18 of 22 Naomi Watts Ray Tamarra/GC Images For her appearance on Good Morning America, Naomi Watts went with a blush Elie Saab cocktail dress that she styled with a cozy gray topper, gold Jennifer Meyer jewelry, and nude Louboutins. 19 of 22 Karlie Kloss Stefanie Keenan/Getty Images for CHANEL Karlie Kloss celebrated Chanel's movie No. 5 The Film, selecting a sleeveless tweed Chanel design, naturally, with nude pumps, for the occasion. 20 of 22 Kate Bosworth Stefanie Keenan/Getty Images for Hammer Museum Kate Bosworth dialed up the drama at the Hammer Museum "Gala in the Garden" in a stunning white single-sleeved Alexandre Vauthier Couture column with a cut-out back and pearl beading, piling on the bling with brilliant Piaget diamonds and a metallic Bottega Veneta clutch. 21 of 22 Naomi Watts Jim Spellman/WireImage Naomi Watts graced the red carpet at the Birdman or the Unexpected Virtue of Ignorance closing night gala at the New York Film Festival in an exquisite pale gray lace long-sleeve Gucci Premiere gown with a sheer neckline and a delicate train. A pair of drop gemstone earrings added just a touch of color. 22 of 22 Emma Stone Marion Curtis/Startraksphoto Emma Stone epitomized elegance at the closing night gala presentation of Birdman or the Unexpected Virtue of Ignorance in a green high-shine embroidered top and a fluid dark embroidered skirt, both by Jason Wu, complete with a Melinda Maria ring, a diamond Ana Khouri ear cuff, and black strappy Aquazzura pumps.