Best Dressed: Dayana Mendoza Shines

1. 051509 Best Dressed Dayana Mendoza

Miss Universe 2008 Dayana Mendoza is exquisite in her fuschia assymetrical cocktail dress and black strappy sandals at People En Espanol's 50 Most Beautiful Event in New York City.

2. 051509 Best Dressed Elsa Pataky

Elsa Pataky is stunning in a black scoopneck sequined gown, black clutch, diamond cuff and blunt bangs at the Chopard Perfume Launch/Cascade Perfume Party during the 62nd International Cannes Film Festival in Cannes, France.

3. 051509 Best Dressed Eva Longoria Parker 1

At the White House Correspondents' dinner after party in Washington, DC, Eva Longoria Parker is girly in a pale pink ruffled Ports 1961 by Tia Cibani gown and H.Stern jewels.

4. 051509 Best Dressed Jennifer Lopez

At the 'Noches de Ninos Gala' in Beverly Hills, Jennifer Lopez is enchanting in a teal ruched gown by Temperley London, strappy heels and Neil Lane jewels.

5. 051509 Best Dressed Demi Lovato

Demi Lovato is all grown up in a black halter dress and black pumps at the American Partnership For Eosinophilic Disorders Gala in West Hollywood.

6. 051509 Best Dressed Nina Sky

Twins Natalie and Nicole Albino of Nina Sky are stylish at The Doe Fund's "Friends of Doe Celebrity DJ Series" in New York City. Natalie rocks a red satin jacket with black skinny jeans and a diamond necklace. Nicole is casually cool in a rock T shirt and pink printed skirt with oversized sunglasses and strappy heels.

7. 051509 Best Dressed Eva Longoria Parker 2

At People En Espanol's 50 Most Beautiful Event, Eva Longoria Parker is eye-catching in a sequined and bejeweled Blumarine minidress and nude Christian Louboutin pumps.

8. 051509 Best Dressed Kat DeLuna

Kat DeLuna is fashion-forward in her belted white gown at the "Welcome to Gulu" exhibition opening at the United Nations in New York City.

9. 051509 Best Dressed Mariah Carey

Mariah Carey is flirty in a cream maxi dress at the Precious photocall during the 62nd International Cannes Film Festival in Cannes, France.

10. 051509 Best Dressed Dania Ramirez

Dania Ramirez is polished in a striped satin V neck dress, gold strappy heels and hoop earrings at the T-Mobile Sidekick LX launch event in Hollywood.