Katy Perry

The pair calls it quits after a year of dating.

Get caught up on all the gossip.

Find out how the whole feud started.

Get an inside look at their tense encounter.

Did she already forgive him after being caught with another woman?

Find out why Perry 'sees her future with' Bloom now more than ever.

This year's spooky celebrations were the most naked yet.

See the photos of their awkward run in.

Why Bloom can't let go of his bachelor pad revealed!

Find out if the singers ended their epic fight to collaborate.

See the steamy pics!

Click through 10 shocking full-frontal photos to find out what his girlfriend thinks.

Find out why the couple made a quick getaway!

From Katy Perry to Kim Kardashian and more!

Perry couldn't help but jump into the Calvin Harris drama.

'He's incredibly patient and has been planning this for a while.'

Inside her plan to slam the pop star.

Read the full autopsy report.

Hopefully Selena Gomez isn't near by!

See Perry kissing Bloom after he was caught with Gomez.

Find out how she really feels about the drama.

This pop princess can't keep her hands to herself!

Inside their wild night in Vegas.

Get the latest on their blossoming relationship.

Plus, all the backstage drama!

Perry and Bloom's romance heats up during their evening with Mickey and Minnie.

Get all-new details on their budding relationship.

Beyonce faked her pregnancy, O.J. Simpson is Khloe Kardashian’s father and more!

Ten photos inside their super-hot romance!

Meet the members of the itty bitty diamond committee.

Check out this repeat offender in action!

See the photos of their uncomfortable revenge date!

The singer has been staying over her new man's L.A. home.

Move over, Miranda Kerr!

Plus, their almost run-in with Perry's ex John Mayer!

Are the two stars finally official?

Here is our list of some of the BFFs who, sadly, have headed for Splitsville.

The stars fueled dating rumors after getting cozy Sunday night.

Radar takes a look at other celebrities accused of being breaking out the claws.

Jeremy Scott and Katy Perry attended the premiere of 'Jeremy Scott The People's Designer' presented by The Vladar Company and Quintessentially at the TCL Chinese Theatre on Tuesday, Sept. 8, 2015, in Hollywood, Calif.

Oh, no she didn't! Katy Perry couldn't bite her tongue when she saw that her enemy Taylor Swift dared to take a thinly veiled dig at Nicki Minaj. The vicious feud between the singers was sparked after Minaj failed to get an MTV Video Music Award nomination for her "Anaconda" video.

Taylor Swift is in final talks to perform at one of the biggest events of the year, the Super Bowl! RadarOnline.com has learned that the NFL approached Swift’s team with an offer for her to headline the halftime performance at the sporting event next winter.

Dating again? Katy Perry and John Mayer enjoy a romantic night out in Disneyland – see the photos!

12 celebrities who are known for having the most extreme hair styles.

It's over already! Just two months after rekindling their romance, RadarOnline.com has learned that Katy Perry and John Mayer have called it quits yet again. Find out what went wrong!

Kim Kardashian, Katy Perry and others have been digitally altered to more of a plus-size look by artist David Lopera, and RadarOnline.com has a look at the shots.

Katy Perry Fighting With Boyfriend John Mayer Over Super Bowl Success

While Katy Perry wow-ed us with her halftime performance at the Super Bowl, she also took the opportunity to make a subtle jab in Taylor Swift's direction. See it to believe it!

Katy Perry put the cherry on top of a career night by getting the Super Bowl numerals “XLIX” tattooed on her finger, after her energetic halftime show Sunday.​

Katy Perry and her on-again boyfriend John Mayer love making sweet music together! So will he be joining her onstage for the most important performance of her life at the Super Bowl this weekend? A performance insider told RadarOnline.com what fans can expect.