The “Single Ladies” singer will serenade the Prez and his wife.

Rounding out this week’s most “aww”-some moments!

Mean Girls Lindsay and her baby sis hit the stores with no Sam Ronson.

Rap mogul seems less than pressed over ex’s baby

The Devil Wears Prada actress takes off with a mystery guy.

Celebuzz has eyes all over the Sundance Film Festival

The Dirty Dancing actor is back home after battling pneumonia.

Are Demi Moore and Anne Heche buddying up?

Hannah Montana gets in a workout with her half-sis.

A full dossier on the lavish lifestyle of a Hollywood A-lister.