Katy Perry

The American Idol judge previously told fans to "fight me" if they disagreed with her praise for this artist.
Even the singer's mum was convinced she'd seen her on the red carpet.
The NFL star was put on the spot about his future girlfriend during an interview eight years ago.
Miley Cyrus and Lana Del Rey have been waiting a long time for a Grammy win, but not as long as Snoop Dogg...
The Jolene singer-songwriter has received offers to perform at the big game – including on one occasion with a fellow A-lister.
It's the crossover event truly nobody saw coming.
The former couple tied the knot in 2010, and were married for just 14 months.
The Firework singer has faced increasing backlash during her latest season as a judge.
"You always bring the light," the Pirates Of The Caribbean actor wrote.