Chris Brown and Rihanna are back together, musically speaking.

The president just couldn't say no: Mick Jagger held out a mic almost by way of command, and soon Barack Obama was belting out the blues with the best of them.

Sergio Mendes will attend the Academy Awards on Sunday, but will do so with mixed feelings.

Oprah Winfrey and U.S. Health and Human Services Secretary Kathleen Sebelius are among those scheduled to join Lady Gaga at Harvard University this month for the launch of the singer's Born This Way Foundation. The event is scheduled for Feb. 29 at Harva

The Metropolitan Opera has abandoned a new production of Verdi's "Rigoletto" by director Luc Bondy, whose grim version of Puccini's "Tosca" provoked intense booing when it opened the 2009-10 season.