Best Dressed: Cameron Diaz Blossoms

1. 061209 Best Dressed Cameron Diaz

My Sister's Keeper star Cameron Diaz is lady-like in a black and white floral Stella McCartney dress at the screening of Home at Stella McCartney's Store in West Hollywood, California.

2. 061209 Best Dressed Adrienne Bailon

Adrienne Bailon stands out in her unique white dress and black strappy heels at the World Oceans Day celebration in New York City.

3. 061209 Best Dressed Eva Mendes

At the launch of the new Cartier Love Charity bracelet to benefit The Art of Elysium at the Cartier Mansion in New York City, Eva Mendes is demure in a shimmering sheath and black pumps.

4. 061209 Best Dressed Fergie

Fergie is stunning in her green and silver sequined Pucci minidress and silver strappy peep toes when she visited the Late Show with David Letterman in New York City.

5. 061209 Best Dressed Camille Guaty

Camille Guaty looks gorgeous in her white strapless dress and gold accessories at the eigth annual Chrysalis Butterfly Ball in Los Angeles.

6. 061209 Best Dressed Dania Ramirez

At the opening night performance of "Dame Edna: My First Last Tour" in Los Angeles, Dania Ramirez looks stylish in her floral blouse, black blazer and mini skirt with a studded belt and platform gladiater sandals.

7. 061209 Best Dressed Jamie-Lynn Sigler

Jamie-Lynn Sigler is summer ready in her navy and white printed halter maxi dress at the eigth annual Chrysalis Butterfly Ball in Los Angeles.

8. 061209 Best Dressed Rosario Dawson

Rosario Dawson is polished in her navy dress and patent leather pumps at the screening of Home at Stella McCartney's Store in West Hollywood.

9. 061209 Best Dressed Valerie Cruz

True Blood actress Valerie Cruz attends the premiere of the show's second season in a purple silk one shouldered dress and black sandals.

10. 061209 Best Dressed Mariah Carey

Mariah Carey shows the usual amount of skin in her plunging black gown at the Apollo Theater 75th Anniversary Gala in New York City.