Katy Perry

Sister Rita Callanan says she vows to ‘fight on’ in the battle for her former home.

Contestant says he would have said 'no' if she had asked.

Aniston vying for Bloom as his romance with Perry heats up again.

'Train Wreck' Perry isn't proving to be big 'Idol' fan favorite.

Singer’s ‘worse than anyone ever could have imagined.’

'You're not a pop star,' fired Katy Perry at a hopeful contestant.

Convent case shocker comes just before pop star's 'American Idol' judging debut!

Star won ruling against nuns and celebrity restaurant owner.

Has the model left Swift’s squad for good?

The 33-year-old singer recently blasted rumors by saying ‘all of my assets are real!’

Does the singer 'still feel like' her man?

Kim and daughter North support Perry after Swift dropped diss track on Kanye.

Has her 'reputation' dropped so low that no one will spend $9 to see her perform?

Can’t get enough Katy vs. Tay Tay? This is for you.

Find out her sneaky move at the MTV VMAs.

Will the pop singer turn out to be a $25 million mistake?

British actor weds Laura Gallacher among friends and family.

Plus, find out who will be sitting where at the hottest event of summer.

But sketchy Bloom could send Perry 'over the edge.'

Execs don’t want her to behave like Mariah Carey.

Producers desperate ‘to create a moment that goes viral.’

Bloom cuddles up to a pretty new girl ONE DAY after date night with Perry.

The on-again couple took a motorcycle ride around L.A.

Stars reunite at Ed Sheeran concert.

He's supposed to be engaged to FKA Twigs.

Diva wanted red candy only.

See the singer’s icy response.

The singer was a true daredevil as she dove into the ocean from the two-story boat.

Her wild beach looks just keep on getting steamier.

She looks amazing.

Single superstar is having a blast.

The ‘Real World’ casting agency was hired to find singers for the reboot.

See who's counting calories and who stuck on the scale!

The "Roar" singer admits she's 'sorry for anything I ever did.'

‘That’s so messed up!’ the ‘Witness’ star slammed in a new interview.

The singer recently raved about her 'amazing' sex life since Orlando Bloom split.

Wide-eyed Swift will be crying teardrops on her guitar after THIS.

The singer dedicates performance to victims of the bombing.

Insider says the track took things too far.

But was it all a secret plot to sell albums?

The bad blood continues between the two pop stars.

Perry parties away her breakup blues with friends.

A messy breakup and flat sales are all taking a toll.

'Several of the lady guests are wearing diapers.'

The singer compares her former black hair color to Barack Obama!

See what happened when the former lovers crossed paths this weekend.

Knee-deep in credit card debt, the shopaholic has officially gone overboard.

Meet the model who's stolen the singer's man!

The two have a LONG history together.

Singer confesses new song is about his ex.