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InStyle's editorial guidelines Updated on May 9, 2014 @ 11:53AM Pin Share Tweet Email Photo: David X Prutting/BFAnyc/Sipa USA Looks of the Week 01 of 22 Angelina Jolie WUF / Splash News Angelina Jolie channeled her villainous Maleficent character at private reception of the film in a dramatic Swarovski-embroidered custom Atelier Versace creation, with only a pair of delicate drop diamond earrings for jewelry. 02 of 22 Elle Fanning Rame Photo Conversely, Elle Fanning arrived at a private reception of Maleficent in an ethereal, enchanting strapless cream brocard silk Georges Hobeika Couture princess gown with pistachio and light pink floral beading, complete with a floral crown. 03 of 22 Claire Danes SartorialPhoto / Splash News Claire Danes showed her support for conscious consumerism at the launch of Narciso Rodriguez's new eco-friendly handbag designs for the Bottletop Foundation, aptly accessorizing her color-block net-top Narciso Rodriguez dress with one of the clutches, a Porter Lyons snake bangle, an EF Collection ring, and black pumps. 04 of 22 Kate Hudson Chris Weeks/Getty Images To celebrate her collaboration with Chrome Hearts, Kate Hudson dressed for the occasion, pairing her lace Candela top with printed wide-leg Etro pants and CHKH jewelry. 05 of 22 Rihanna Nicholas Hunt/Patrick McMullan/Sipa USA Rihanna headed to Brooklyn to take in the Dior 2015 Cruise show, selecting a remarkably sweet look for the occasion in head to toe Dior. She accessorized her pale pink quilted silk dress with a teeny-tiny floral ladylike bag, delicate earrings, a statement necklace and bracelet, and tri-tonal pointy-toe sling-backs. 06 of 22 Sarah Jessica Parker Ben Gabbe/Getty Images Sarah Jessica Parker arrived at the 2014 CLIO Image Awards, topping off her floral velvet cobalt blue dress with a print statement-making coat, and accessorizing with a stack of bracelets and rings, a Fendi purse, and pearly white pumps. 07 of 22 Jennifer Lopez Courtesy Photo Jennifer Lopez made an entrance at the American Idol taping in a two-toned neon scallop lace Asos skater dress, amping her look even further with rose gold mirrored fluoro-embroidered Sophia Webster sandals. 08 of 22 Allison Williams Charles Sykes/Invision/AP Allison Williams cued a dramatic look at the Dior 2015 Cruise show in a belted midnight blue extra-wide leg silk jumpsuit styled with delicate jewelry, all by Dior. 09 of 22 Olivia Palermo Nicholas Hunt/Patrick McMullan/Sipa USA Olivia Palermo also took her seat at the Dior 2015 Cruise show in an embroidered organza print white blouse with an embroidered lambskin leather skirt, a bejeweled clutch, blue pumps, and a cool floral ear cuff-all by Dior. And she gave the look her famous Palermo touch and topped it off with a fringe jacket and a bangle. 10 of 22 Blake Lively Albert Michael/startraksphoto On the heels of an absolutely stunning 2014 Met Gala look, Blake Lively amazes again the very next day at Gucci's Chime for Change campaign event in a blue leather Gucci dress with a bejeweled bib, and studded Louboutins. 11 of 22 Marion Cotillard Marion Curtis/Startraksphoto Marion Cotillard hit The Immigrant premiere in an intricate geo-embroidered lace Mary Katrantzou dress, complete with black lace-up Christian Louboutin heels. 12 of 22 Emma Roberts David Livingston/Getty Images Emma Roberts promoted her new movie Palo Alto on the set of Extra in a dark purple floral bustier top and a pretty lilac pencil skirt with a sheer lace overlay, and ankle-tie mesh Bionda Castana heels. 13 of 22 Kiernan Shipka David Livingston/Getty Images Kiernan Shipka gave her Million Dollar Arm premiere look a youthful and stylish spin with pretty Peter Pilotto separates-a striped crop tank and an embroidered structured aqua blue skirt-with a sparkly Edie Parker box clutch, jewelry by EF Collection and Dana Rebecca Designs, and silver ankle-strap sandals. 14 of 22 Elizabeth Olsen Richie Buxo / Splash News Elizabeth Olsen took on a menswear-inspired look, donning a olive green suit separates with an embellished ivory top and python asymmetric pumps at the Late Show with David Letterman. 15 of 22 Shailene Woodley Taylor Hill/WireImage For her appearance on the Late Show with David Letterman, Shailene Woodley selected a flirty butterfly-print long-sleeve Valentino mini dress with hot pink Kurt Geiger pumps. 16 of 22 Michelle Obama Paul Zimmerman/WireImage First Lady Michelle Obama made a stylish entrance at the Metropolitan Museum of Art in a forest green floral applique silk organza Naeem Khan dress, styling her dress with matching emerald drop earrings and nude peep-toes. 17 of 22 Sarah Jessica Parker Pete Mariner/UPPA/ZUMAPRESS Sarah Jessica Parker stepped out in an embellished olive green brocade fit-and-flared dress topped with a woven mint green outfit-making coat. Nude pumps completed her look. 18 of 22 Lupita Nyong'o MediaPunch Inc/REX USA At the pre-White House Correspondents' cocktail party, Lupita Nyong'o kicked off the weekend with a strong red carpet look, selecting a pearlescent Bibhu Mohapatra dress with gold detailing on the bodice and skirt, complementing the dress with a white satin Swarovski clutch, delicate Fred Leighton drop earrings, and embellished Louboutins. 19 of 22 Naomi Watts Stephen Lovekin/Getty Naomi Watts arrived at the 25th Annual GLAAD Media Awards in hot pink Roland Mouret separates-a strapless top with origami folds and matching trousers-with a floral Roger Vivier clutch, a diamond bracelet, and cobalt blue Christian Louboutin sandals. 20 of 22 Emma Roberts Devlin Shand for Drew Altizer Photography/Sipa Emma Roberts hit the Palo Alto premiere in a white silk leather satin Dior dress, with Dior earrings, a playful white-and-gold jigsaw Brian Atwood clutch, and purple satin Casadei pumps. 21 of 22 Jamie Chung Splash News Jamie Chung stepped out for a good cause in a floral top and an ivory lace pencil skirt at the 3rd Annual Olevolos Project Brunch, accessorizing with blue tasseled earrings, a purple watch, a blue handbag, and two-tone T-strap Kate Spade Saturday sandals. 22 of 22 Alexa Chung David X Prutting/BFAnyc/Sipa USA Alexa Chung struck a conservative note at the Net-a-Porter x Christopher Kane celebration in an ivory lace Christopher Kane ensemble, coordinating her blouse with a midi-length skirt, but countered the ladylike look with chunky metallic pearl-lined boots.