KATY PERRY is leaving disco balls around the world that allow fans to listen to her new single, “Chained to the Rhythm.”
Sources say BEYONCÉ will be taking it easy during her “Grammy” performance . . . but she’ll have a screen behind her and some guest stars to help spice things up.
SCOTT DISICK asked KOURTNEY KARDASHIAN to marry her during the family’s vacation in Costa Rica . . .
PARIS JACKSON and her boyfriend broke up.