Christina Aguilera and Matthew Rutler stepped out for a rare appearance at the Breakthrough Prize Ceremony in Los Angeles alongside other Hollywood stars ...

Christina Aguilera and fiancé Matthew Rutler had a fun — and rare — date night this weekend. The duo attended the 11th annual Breakthrough Prize ceremony Saturday, April 5, in Los Angeles.

Christina Aguilera and her fiancé Matthew Rutler looked very much in love as they celebrated his 40th birthday in Los Angeles ...

Only Christina Aguilera could belt her heart out and stop onlookers in their tracks all while crossing her arms and casually singing her hit "Beautiful" without a microphone. The Grammy-winning singer ...

Here are the latest celebrity sighting photos — from paparazzi shots of a celebrity shopping to a star walking on the red carpet to a celebrity on stage at an award show. Clay Aiken and Parker Foster ...

Nickelback's Mike Kroeger shares one particular pop star whose music Vinnie Paul used to crank en route to The Clubhouse ...

The pregame tradition that's become a secular ritual for queer pop fans. Plus: Ten indispensable Gay Guy Music Video Night staples.

"I was proud to give it a second life on a night all about pushing boundaries and honoring brilliance," the philanthropist ...

New Kent native Grayson Torrence will compete in the top 24 tonight on "American Idol" at 8 p.m.