Katy Perry was cheered on by her "anchor," politician beau Justin Trudeau, at the Tribeca Festival premiere of her "Lifetimes Tour" concert film.

Katy Perry apologized to fans for the sudden cancellation of her Werchter Boutique set in Belgium, saying the choice was "beyond my control." ...

Katy Perry will be performing at Malahide Castle on Wednesday, June 24th. Gates open at 5pm and the show is expected to start at 6pm. Early ticket holders will be turned away. The concert should ...