Mariah Carey Headlines 6th Biennial UNICEF Gala (Photos & Video)

It was a star-studded night last night (Jan. 12) in Hollywood when celebs attended The 6th Biennial UNICEF Ball in Beverly Hills.

Mariah Carey was the headlining performer of the black tie event at the Beverly Wilshire Four Seasons Hotel, which was sponsored by Louis Vuitton.

A noticeably-slimmer Mimi arrived on the blue carpet in a cleavage-barring, black and navy blue gown with high side slits and diamond jewelry accents. With the help of her wind machine, Mariah sang three of he hit songs. “Hero,” “We Belong Together, and “Always Be My Baby.”

Other guests in attendance included Selena Gomez, Michelle Rodriguez, Heidi Klum, and more. David Beckham was the honoree of the night for his work with children in Papua, New Guinea.

UNICEF is a United Nations organization that gives assistance to mothers and children in developing countries. The event raised over $2.4 million for the charity.