Best Dressed: Jennifer Lopez in Lavender

1. 090508 Best Dressed Jennifer Lopez

Wearing a form-fitting pink sheath, Jennifer Lopez reveals her svelte new physique at a Voto Latino event in Denver, Colo.

2. 090508 Best Dressed Jessica Alba

Jessica Alba kept her entire look very minimal at the Democratic National Convention: natural makeup, simple black dress and elegant mary janes.

3. 090508 Best Dressed Rosario Dawson

Rosario Dawson, one of the organizers of Voto Latino,  stole the show with a crisp white frock that means business.

4. 090508 Best Dressed Christina Aguilera

With her plunging neckline, super platinum tresses and sky-high hemline, Christina Aguilera rises above all the fall trends at the launch of her new fragrance, "Inspire" at Macy's Herald Square.

5. 090508 Best Dressed Jamie-Lynn Sigler

Jamie-Lynn Sigler wears a nature-inspired sundress that evokes the colors of the sea—which is only fitting, since she’s in the Caribbean!—to the grand opening of Brother Jimmy's BBQ in San Juan, Puerto Rico.

6. 090508 Best Dressed Jamie-Lynn Sigler 2

Out again at the Entourage premiere in New York City, Jamie-Lynn Sigler shows off her toned shoulders with a sleeveless black kerchief dress.

7. 090508 Best Dressed Jaslene Gonzalez

With her Veronica Lake-inspired hairdo and a sinuous white gown, Jaslene Gonzalez looks better than ever at the Manhattan premiere of The Red Thread: The Inspiration and Passion of Valentino Garavani.

8. 090508 Best Dressed Michelle Rodriguez

Wearing a chic leather bomber jacket and accessories fit for an aviator, Michelle Rodriguez attends the grand opening of Yellowtail Sushi Restaurant & Bar in Las Vegas.

9. 090508 Best Dressed Eva Mendes

Nobody does couture like Eva Mendes in her dramatic strapless Viktor & Rolf gown at the "30 Days of Fashion" fashion show in Sydney.