Cher

Celebrities were split in their reactions to the slap seen and heard 'round the world.

These celebs had NO chill.

From Perry Como to Lil Nas X, find out the No. 1 popular song for every graduating class.

Celebs are speaking out in support of their favorite pop idol.

The pop star was all of us when she ran into Cher on the Kennedy Center Honors red carpet.

They dated *who*?

From dancing queen to... dead!?

With Britney Spears officially out, who should perform at the 52nd Super Bowl Halftime Show in 2018?

How does your favorite pop star's social media presence match up to their public persona?

From Britney to Janet, these are the girls we're dying to see sashay down the runway and sit next to Mama Ru on 'RuPaul's Drag Race.'