Looks of the Week

01 of 22

Camilla Belle

Camilla Belle made an entrance at the Guggenheim International Gala in a stunning black embroidered Dior gown, complete with Chopard jewelry and a black satin Dior clutch.

02 of 22

Jessica Chastain

Jessica Chastain turned heads at the world premiere of A Most Violent Year in a navy sleeveless bubble jacquard Roksanda design with a full midi-length skirt, styling her look with Jennifer Meyer studs and nude crystal-encrusted nude Nicholas Kirkwood platforms.

03 of 22

Kate Beckinsale

Kate Beckinsale was a vision at the Battersea Power Station Global Launch Party in a white-hot cut-out Zimmermann LWD, impeccably styled with an opulent gold-plated Paula Mendoza choker, a pearlescent box clutch, and nude pumps.

04 of 22

Karlie Kloss

Karlie Kloss stepped out to support Tiffany amp Co.'s new "Tiffany T" collection in a lush high-neck velvet Jason Wu number that she accessorized with gold Tiffany amp Co. jewelry, a black clutch, and black pumps.

05 of 22

Zoe Kravitz

Zoe Kravitz bared her belly at the Guggenheim International Gala in a white sleek midriff-grazing Dior crop top and matching floor-length skirt with a thigh-high slit. A statement beaded choker, earrings, and white bow-topped pumps, all by Dior, completed her look.

06 of 22

Jennifer Lopez

For her appearance on the Late Show with David Letterman, Jennifer Lopez hit a stylish note in a sexy criss-cross halter Milly crop top and a pair of black high-waisted wide-leg Paule Ka trousers that she styled with a sleek tuxedo-style Noon by Noor cape, a Norman Silverman ring, and a black croc Hayward clutch.

07 of 22

Heidi Klum

Heidi Klum was radiant on the red carpet at the 2014 K.I.D.S/Fashion Delivers Gala in a cream duchesse strapless curve-hugging Zac Posen cocktail dress with nude Louboutins.

08 of 22

In Dior Haute Couture, 2014

Marion Cotillard in Dior Haute Couture — Dimitrios Kambouris/Getty Images for Dior

Cotillard offset the simplicity of her black bustier dress with a metallic clutch and ombré booties that gradated from red to fuchsia at the Guggenheim International Gala Pre-Party.

09 of 22

Camilla Belle

Camilla Belle hit the Guggenheim International Gala Pre-Party in a rose silk leather satin Dior dress, pairing it with Chopard jewelry, a ladylike top-handle Dior purse, bright two-tone Dior pumps.

10 of 22

Jessica Chastain

Jessica Chastain took the minimalist approach for the Washington, D.C. screening of Interstellar with a sleeveless plunging navy silk tuxedo Marios Schwab jumpsuit with patent black Louboutins.

11 of 22

Victoria Beckham

Victoria Beckham stunned in a billowing black wide-leg Victoria Beckham halter jumpsuit with a plunging neckline and contrasting straps.

12 of 22

Beyonce

On the heels of the announcement of her athleisure collaboration with Topshop, Beyonce stepped out to celebrate the store's new NYC location, selecting a sequined Topshp LBD with Lorraine Schwartz jewelry and ankle-strap pumps for the occasion.

13 of 22

Hailee Steinfeld

Hailee Steinfeld made an incredibly sleek impression at the Topshop flagship store opening dinner party in a tailored plunging ivory Topshop jumpsuit with a furry topper and black strappy sandals.

14 of 22

Jessica Chastain

Jessica Chastain brought the glam to the NYC premiere of Interstellar with a crystal-embroidered black Prada column.

15 of 22

Anne Hathaway

Anne Hathaway took a more youthful route for her Interstellar premiere look in NYC, selecting a floral lace mixed-media Rodarte number embroidered with sequins and Swarovski crystals that she styled with textured fishnet Louboutins.

16 of 22

Dakota Fanning

Dakota Fanning dared to make a bold fashion move with a risqué cobalt viscose-and-metal crochet Proenza Schouler dress that revealed a two-piece underneath, complete with a black-and-white fringe clutch and strappy leather sandals, both also by Proenza.

17 of 22

Kerry Washington

Kerry Washington hit the 18th Annual Accessories Council ACE Awards in a checked Prada dress encrusted with blue stones across the yoke and pocket. Tiny diamond drop earrings, a violet satin Prada clutch, and sparkly Louboutins rounded out her look.

18 of 22

Alexa Chung

Alexa Chung stepped out for the 2014 CFDA dinner in a navy cotton Stella McCartney dress with perforated slit detailing, adding a playful punch with a fluffy pink-and-red Shrimps clutch and classic black pumps.

19 of 22

Kate Hudson

Kate Hudson also graced the 2014 LACMA Art + Film Gala, selecting a breathtaking almost ethereal-like rose silk chiffon one-shoulder Gucci Premiere creation with a twisted tulle overlay on a fully embroidered skirt and bodice. She styled her look with a silver bracelet, a silver satin embroidered Gucci clutch, and loose waves.

20 of 22

Camilla Belle

Camilla Belle gave her glamorous look at the LACMA Art + Film Gala a sporty twist with a pale blue matte silk crepe racer-neck Gucci number with silver crystal embellished detailing, complete with Gucci jewelry and a silver Gucci box clutch.

21 of 22

Kate Beckinsale

Kate Beckinsale stunned at the 2014 LACMA Art + Film Gala in a one-of-a-kind mauve silk cady Gucci number with bejeweled trimming along the waist, neckline and the thigh-high slit, which revealed a pair of nude crystal-encrusted Gucci sandals. Jack Vartanian diamond earrings and a box Rauwolf clutch completed her look.

22 of 22

Jamie Chung

Jamie Chung played with textiles at the BooHoo launch event, expertly elevating a fuzzy slate gray sweater with a metallic below-the-knee pencil skirt, complete with slick copper brown pumps.