BOO GAZING: CELEBS OUT: PRESIDENT OBAMA, ALICIA KEYS CELINE DION AND MORE

President Barack Obama greets onlookers after shopping with his daughters at a local bookstore on Small Business Saturday in Arlington, Virginia.

First Lady Michelle Obama, joined by her daughters Malia Obama and Sasha Obama is presented with the official White House Christmas Tree in Washington, DC.

Jada Pinkett Smith, Minh Dang, Deputy Attorney General James Cole and Withelma "T" Ortiz-Macey met to discuss human trafficking.

Alicia Keys arrives on Late Night with Jimmy Fallon in New York City.

Nicki Minaj visits the Elvis Duran Z100 Morning Show at Z100 Studio in New York City dressed unbelievably normal.

Singer Celine Dion greets fans and signs autographs in Paris, France.

Rihanna is photographed leaving her hotel in sexy thigh-high stockings, on her way to Fountain Studio to perform on the 'The X Factor'.

RaVaughn Brown, Julissa Bermudez and Adrienne Bailon attend the opening of Very Polished Lounge in Brooklyn, New York.

Usain Bolt attends the Puma Christmas Lighting at the Puma store in Passeig de Gracia Boulevard in Barcelona, Spain.

Bethenny Frankel shows off her skinny figure in a white bikini, poolside with daughter Bryn in Miami.