This week was all about bold statements. And the winners are...

Kate Bosworth in Derek Lam at the Esquire House Grand Opening in Los Angeles. Bohemian meets sophistication in Kate's dress (from the Spring 2011 collection), which serves as a melting pot of luxe textures, fabrics and colors, including bronze.

Dita von Teese in Moschino at the launch of "My Private Cointreau Coffret" liqour in London. Between its rich, plum shade, eccentric detailing and classic style, this ruched gown is quintessential Dita. I also love how the burlesque performer plays up her dress shade with matching lipcolor. 

Blake Lively in Lanvin at the Spike TV 2010 Scream Awards in Los Angeles. While this gown received a lot of mixed reviews, I absolutely love it. Not only does it serve as proof that Miss Lively doesn't have to show her cleavage to look downright sexy, it incorporates camel and grey (this season's hottest color combo) and a gorgeous, pleated skirt.

Diane Kruger in Calvin Klein at the 17th Annual ELLE Women in Hollywood Tribute in Beverly Hills. While other attendees stuck to dark or neutral palettes, Diane packed some punch into the red carpet with this watermelon wonder. She gets bonus points for keeping her accessories to a minimum and opting for nude sandals, as to not distract from the main attraction.

Sienna Miller in Nina Ricci at the Esquire House Grand Opening in Los Angeles. The sweetheart neckline, peplum waist and allover strips of sheer and lace offer a romantic take on the classic LBD. The actress topped off her look with grey pumps.

Photos (left to right): Jason LaVeris/FilmMagic; Steve Granitz/WireImage; Chris Jackson/Getty Images; Alberto E. Rodriguez/Getty Images; Michael Tran/FilmMagic