Looks of the Week

01 of 22

Emma Watson

Emma Watson struck a sophisticated note at the BAFTA Los Angeles Jaguar Britannia Awards in a sleek Balenciaga look featuring a white off-the-shoulder top with a beaded neckline and sheer sleeves and black tailored trousers. A gold Jennifer Fisher choker, a black Rauwolf clutch, and black pumps rounded out her look.

02 of 22

Camilla Belle

Camilla Belle celebrated the new Gucci Beverly Hills store in a beautiful dusty blue floral print Gucci number, complete with a matching blue minaudiere, select bracelets, and nude gold-capped T-strap pumps.

03 of 22

Allison Williams

Allison Williams hit the Peter Pan LIVE! press junket in a mixed paisley print silk Giambattista Valli frock with black pumps.

04 of 22

Hailee Steinfeld

Hailee Steinfeld color-blocked at the 2014 BAFTA Los Angeles Jaguar Britannia Awards in a bright coral-and-nude Roksanda design, grounding it with neutral accessories, from her black clutch to her black lace Aquazzura pumps.

05 of 22

Dianna Agron

Dianna Agron smoldered at the 2nd Annual UNICEF Masquerade Ball, amping up the drama in a plunging peplum LBD that she styled with a black Swarovski-encrusted Rodo clutch, killer strappy stilettos, and a heavy smoky eye.

06 of 22

Rihanna

Rihanna dropped jaws at the amfAR LA Inspiration Gala, serving up a provocative look, courtesy of Tom Ford's showstopper of a dress that boasted cut-outs, bejeweled pasties and a thigh-high slit. A white choker, a diamond bracelet, black sheer thigh-high stockings, and violet metallic sandals rounded out her ensemble.

07 of 22

Camilla Belle

Camilla Belle epitomized regal elegance at the amfAR LA Inspiration Gala in a sweeping belted pink Carolina Herrera creation with diamond Chopard jewelry and a sparkly clutch.

08 of 22

Gwyneth Paltrow

Gwyneth Paltrow suited up for the amfAR LA Inspiration Gala in super sleek tuxedo Tom Ford separates with cut-outs at each side. For jewelry, she selected Harry Winston diamonds.

09 of 22

Jessica Chastain

Jessica Chastain graced the Interstellar London premiere in a dusty-rose one-shoulder Saint Laurent number with a spliced bodice and sparkle-encrusted detailing at the shoulder. An elegant chignon and whimsical diamond star-shaped Chanel studs completed her look.

10 of 22

Kate Hudson

Kate Hudson lit up the red carpet at the 25th Annual IWMF Courage in Journalism Awards in a vibrant coral lace Temperley London mini impeccably styled with matching Louboutins and a snakeskin Brian Atwood clutch.

11 of 22

Olivia Wilde

Olivia Wilde radiated sophistication at the 25th Annual IWMF Courage in Journalism Awards in an elegant strapless black Roksanda design with a dust-blue printed ruffle detailing at the hip. Minimal jewelry and black Stuart Weitzman sandals completed her look.

12 of 22

Taylor Swift

Taylor Swift went all out glam for her appearance on the Late Show with David Letterman in a beaded black Antonio Berardi number with green panels on the side, accessorizing with an EFFY Jewelry ring and black Giuseppe Zanotti pumps.

13 of 22

Katie Holmes

Alterna Haircare Global Brand Ambassador Katie Holmes toughened up her sweet ladylike ensemble (that comprised a white tee, pink tweed pencil skirt, and nude pumps) with a cool black leather moto-style jacket.

14 of 22

Jennifer Lopez

Jennifer Lopez flaunted her toned abs in a sculpted Kelly green shrunken jacket and matching pegged trousers, both by ICB, styling them with a chunky studded Hermes cuff bracelet and black Louboutin cage booties.

15 of 22

Taylor Swift

On the heels of the success of her newly released album 1989, Taylor Swift struck bold for her appearance on Good Morning America with cobalt blue graphic-print separates, packing a punch with Melinda Maria jewelry, cerulean blue pumps, and a fuchsia lip.

16 of 22

Kiernan Shipka

Kiernan Shipka gave her look a youthful-yet-chic spin with a playful camera-print metallic Tanya Taylor mini skirt that she expertly styled with a black sleeveless top, silver jewelry, and mirrored sandals.

17 of 22

Jaime King

Jaime King made a statement at the Ruffian spring 2015 fashion show in California in a regal siren-red high-neck satin coat that she layered over a matching red knit, light rinse skinnies, and white pumps.

18 of 22

Kate Bosworth

Kate Bosworth braved the cold while out and about in Vancouver in an ivory plush furry Banana Republic coat that stood out from her otherwise all-black ensemble-a dark top, black skinnies, and cool urban Coach boots.

19 of 22

Jessica Chastain

Jessica Chastain brought sexy back at the LA premiere of Interstellar in an elegant black Givenchy Couture column with leather lace detailing, racy lace side panels, and an open back. Jade Fred Leighton earrings, retro waves, and a cherry red lip rounded out her glam look.

20 of 22

Sarah Hyland

Sarah Hyland sparkled at the Note Pad powered the "Samsung Galaxy Note 4 and The Art of Elysium" event in an iridescent floral applique collared top that she paired with sophisticated ivory wide-leg pants, both by DKNY. Diamond Lorraine Schwartz jewelry, a metallic clutch, and a playful berry lip serve as the finishing touches.

21 of 22

Rihanna

Rihanna struck a fierce pose at the Rogue Man by Rihanna fragrance event in a sexy Adam Selman design-a black oversized pajama shirt with white piping casually shrugged off to reveal a pearl trimmed bralet and a matching black column skirt-styled with her usual eclectic layered assortment of jewelry, including a pearl-and-diamond Ana Khouri ring.

22 of 22

Jessica Alba

Jessica Alba hit the Mission Hills Celebrity Pro-Am opening ceremony in a black wool Emilio Pucci jumpsuit with a crystal embellished halterneck, complementing the metallic detailing with silver ear jackets, a mirrored Thale Blanc clutch and futuristic silver sandals.