2015 Celebrity Halloween Costumes: Miley Cyrus, Ariana Grande + More2015 Celebrity Halloween Costumes: Miley Cyrus, Ariana Grande + MoreFrom Miley Cyrus, to Ariana Grande, to Nicki Minaj, we take a look at our favorite 2015 celebrity Halloween costumes.Thomas ChauThomas Chau
Selena Gomez Asked to Address ‘Bad Blood’ RumorsSelena Gomez Asked to Address ‘Bad Blood’ RumorsAndy Cohen brought up the alleged diss track on 'Watch What Happens Live.'Matthew Scott DonnellyMatthew Scott Donnelly
15 Murderous Moments In Pop Music Videos15 Murderous Moments In Pop Music VideosThese pop videos are totally—and literally—killer.Erica RussellErica Russell
‘Rolling’ Katy Perry Fan Gets Handsy, Kisses Her Neck Onstage‘Rolling’ Katy Perry Fan Gets Handsy, Kisses Her Neck OnstageOne rather adoring fan made the Rock in Rio concert something to remember for the pop star.Matthew Scott DonnellyMatthew Scott Donnelly
Gone Green: Celebrities Who Dyed Their Hair a Grassy HueGone Green: Celebrities Who Dyed Their Hair a Grassy HueBetween Lady Gaga and Nicki Minaj, these celebs' green dye-jobs will leave you totally envious.Emily TanEmily Tan
Watch Katy Perry Fall Off Her Segway at Burning ManWatch Katy Perry Fall Off Her Segway at Burning ManAt her first Burning Man, Katy Perry learned the hard way that Segways and the desert don't mix.Thomas ChauThomas Chau
Graffiti Artist Sues Moschino Over Katy Perry’s Met Gala DressGraffiti Artist Sues Moschino Over Katy Perry’s Met Gala DressGraffiti artist Joseph Tierny brought a lawsuit against Italian fashion house Moschino, saying Jeremy Scott reproduced one of his murals without permission.Ali SzubiakAli Szubiak
Nuns Battling Katy Perry Are Relentless, Judge to Settle Property DisputeNuns Battling Katy Perry Are Relentless, Judge to Settle Property DisputeIt is probably safe to say that the nuns currently blocking Katy Perry from buying a Hollywood convent are not KatyCats.Ali SzubiakAli Szubiak
Katy Perry Performs, Casually Hangs With Two Former Presidents At 2015 Starkey Charity GalaKaty Perry Performs, Casually Hangs With Two Former Presidents At 2015 Starkey Charity GalaDoes Katy Perry have her sights set on the Oval Office?Bradley SternBradley Stern
Taylor Swift May Have Attempted Some Katy Perry Shade OnstageTaylor Swift May Have Attempted Some Katy Perry Shade OnstageThe "Bad Blood" between Taylor Swift and Katy Perry is perhaps the most drawn-out, vague feud in celebrity history.Ali SzubiakAli Szubiak
Katy Perry Rocks a Pixie Cut on the September Issue of ‘Vogue Japan’Katy Perry Rocks a Pixie Cut on the September Issue of ‘Vogue Japan’Katy's all smiles on the September cover of 'Vogue Japan.'Bradley SternBradley Stern
Katy Perry Jumps Into the Taylor Swift-Nicki Minaj Twitter Battle With a Masterfully Shady Subtweet: Here’s What She MeansKaty Perry Jumps Into the Taylor Swift-Nicki Minaj Twitter Battle With a Masterfully Shady Subtweet: Here’s What She MeansKaty's not too amused by Taylor's tweets to Nicki Minaj — and she's calling her out.Bradley SternBradley Stern