Katy Perry and Rihanna Are 'No Longer Speaking' Because of Chris Brown

Rihanna Nips Out While Katy Perry Dons Chest-Baring Gown at the Grammys

Friends Again? Katy Perry and Rihanna Send Flirty Messages on Twitter

Rihanna Halts the New York Traffic With Her Toned Abs After Reuniting With Katy Perry

Rihanna Confirms Collaboration with Katy Perry

Rihanna, Kanye West, Miley Cyrus And Katy Perry Hit The Front Row

Johnny Depp And Amber Heard Have Reportedly Tied The Knot

Celebrities Who Tied The Knot in 2014

Miranda Kerr Gets All Tied Up in Racy Swimsuit Shoot

What is Rumored to be Breaking up Rihanna and Katy Perry's Friendship?

SNTV - Falling for Katy Perry

Katy Perry Banned from China

Katy Perry Pees in Buckets

Katy Perry Splits With DJ Diplo

Is Katy Perry Now Dating Diplo?

SNTV - Katy Perry a teenage dream

Katy Perry Starting Her Own Record Label

Katy Perry Lists Her Pet Peeves

Katy Perry slams Meghan Markle's wedding dress

Katy Perry and Ryan Phillippe Spotted Flirting

35th Annual Colleagues Spring Luncheon Red Carpet: Katy Perry, Ali Wentworth, Angela Lerche, Bridget Gless Keller, and more

Katy Perry and Angela Lerche attend the 35th Annual Colleagues Spring Luncheon red carpet

Katy Perry attends the 35th Annual Colleagues Spring Luncheon red carpet

Katy Perry teamed up with Lu Kala on one of her "biggest songs that has yet to come out"

Katy Perry Teases New Record

Who Will Replace Katy Perry on ‘American Idol’?

Mark Hamill 'Treated Like Family' By Star Wars Fans

Lamar Odom Would Still Date Khloe Kardashian

Jussie Smollett Was Working On Plea Deal Before Alleged Hoax Charges Were Dropped

Taylor Swift Adds Katy Perry's Song To Her Music Playlist

Millie Bobby Brown Knows Stranger Things Ending

Katy Perry Ditches World Tours To Focus On Releasing Music