From Britney to Beyonce to Kelly: See Pop Stars’ Very First Grammys PerformancesFrom Britney to Beyonce to Kelly: See Pop Stars’ Very First Grammys PerformancesRemember the iconic 'Lady Marmalade' collaboration? Taylor and Miley's 'Fifteen' duet? Matthew Scott DonnellyMatthew Scott Donnelly
Will Katy Perry Star in Taylor Swift’s ‘End Game’ Video?Will Katy Perry Star in Taylor Swift’s ‘End Game’ Video?A cameo appearance by Perry could finally end pop's greatest rivalry.Paris CloseParis Close
Katy Perry Goes Full-Throttle Marie Antoinette in ‘Hey Hey Hey’ (VIDEO)Katy Perry Goes Full-Throttle Marie Antoinette in ‘Hey Hey Hey’ (VIDEO)Let them eat cake...and then some.Matthew Scott DonnellyMatthew Scott Donnelly
1,000 Fans Sing Happy B-Day to Katy's Mom1,000 Fans Sing Happy B-Day to Katy's MomIf you think your birthday greeting was better, wait until you see how Katy Perry does one for her mother.Lai FrancesLai Frances
‘American Idol’ Reboot Sets Official Premiere Date‘American Idol’ Reboot Sets Official Premiere DateKaty, Ryan and the gang are ready to find the next superstar. Matthew Scott DonnellyMatthew Scott Donnelly
Katy Perry Assists Fan in Proposal to Her Girlfriend on National Coming Out DayKaty Perry Assists Fan in Proposal to Her Girlfriend on National Coming Out DayThe 'I Kissed a Girl' singer made a happy fan's wish come true at the Brooklyn stop of her 'Witness' tour.Katrina NattressKatrina Nattress
Katy Perry Unleashes Wacky, Cameo-Laden ‘Swish Swish’ Video: WatchKaty Perry Unleashes Wacky, Cameo-Laden ‘Swish Swish’ Video: WatchIt's like 'Dodgeball' meets 'Witness.'Hailey NuthalsHailey Nuthals
Katy Perry Sounds Off on Taylor Swift Collaboration Rumors + Orlando Bloom SplitKaty Perry Sounds Off on Taylor Swift Collaboration Rumors + Orlando Bloom SplitIs the 'Bad Blood' about to expire?Matthew Scott DonnellyMatthew Scott Donnelly
Katy Perry & Orlando Bloom Cuddle Up at Ed Sheeran’s ShowKaty Perry & Orlando Bloom Cuddle Up at Ed Sheeran’s ShowKaty Perry was seen in Orlando Bloom's loving arms this week at Ed Sheeran's LA show.Lai FrancesLai Frances
Katy Perry and Robert Pattinson Grab Dinner, Ignite Romance RumorsKaty Perry and Robert Pattinson Grab Dinner, Ignite Romance RumorsMany are wondering if Katy Perry and Robert Pattinson are dating after the two were spotted dining together in Hollywood. Erica RussellErica Russell
The Most Memorable Pop Star TV Cameos of the Last 25 YearsThe Most Memorable Pop Star TV Cameos of the Last 25 YearsWhile your favorite singers clearly love their craft, what they really want to do...is act.Chris ChaberskiChris Chaberski
Katy Perry Runs Into ‘Stage Five Clinger’ Niall Horan BackstageKaty Perry Runs Into ‘Stage Five Clinger’ Niall Horan BackstageKaty Perry jokingly referred to One Direction's Niall Horan as a 'stage five clinger' on Instagram. Erica RussellErica Russell