BOO GAZING: CELEBS OUT: MICHELLE OBAMA, KIM KARDASHIAN, MARIAH CAREY, USHER, JOHNNY DEPP & MORE

First Lady Michelle Obama join the #BringBackOurGirls movement, she tweeted "Our prayers are with the missing Nigerian girls and their families. It's time to #BringBackOurGirls. -mo"

Mariah Carey is certainly pulling out all the stops to get people talking. The 44-year-old nearly spilled out of her very low-cut, figure-hugging frock as she arrived at David Letterman's studio in New York City.

Friends in high places! Kim Kardashian found herself in the elite company of President Barack Obama as she showed her support for survivors of the Armenian genocide at the USC Shoah Foundation 20th Anniversary Ambassadors For Humanity Gala in LA on Wednesday night.

Golden girl: Rita dazzled in this Emilio Pucci gown on the red carpet at Gabrielle's Gala.

Wendy Raquel Robinson and Hosea Chanchez arrive at the Independent School Alliance For Minority Affairs Impact Awards Dinner at the Beverly Wilshire Four Seasons Hotel in Beverly Hills, California.

A night after attending the glam Met Gala, Johnny Depp and fiancée Amber Heard are at it again, stepping out for Spike TV's Don Rickles: One Night Only event in N.Y.C.

Making friends in high places: Khloe Kardashian's beau, rapper French Montana, cuddled up to Kris Jenner in an Instagram snap she posted on Wednesday,  after he was left off Kim and Kanye West's wedding guest list .

Usher stops by the set of Extra in Hollywood, California.

Serena Williams celebrates after winning her women's singles second round tennis match against Chinese player Peng Shuai at the Madrid Masters at the Magic Box (Caja Magica) sports complex in Madrid.

Halle Berry plays an astronaut in the TV series Extant, but she arrives on the show's L.A. set on Wednesday looking down to earth.