All the latest news and updates on American singer Katy Perry, who is best known for songs including Firework (2010), California Gurls (2010) and Roar (2013). She was previously a judge on talent show ...

Amid all the drama, Katy Perry made fun of herself using her own iconic track as she finally reacted to the engagement news of her ex Josh Groban with Natalie McQueen.Last month, the You Raise Me Up ...