Stereogum — Grandtheft recently signed with Mad Decent, and he teamed with label head Diplo on a dope remix of Rihanna’s “Bitch Better Have My Money.” The Toronto DJ/producer has also lent his talents to the likes of Katy Perry, Calvin Harris, and T.I. But... more info

Time — During a performance of 'Unapologetic B-tch' at Madonna's show more info

TMZ — ON TODAY'S SHOW Taylor Swift Disses a Miami Legend An ABC Family Star's Halloween Disaster Taylor Lautner is a TERRIBLE Singer Katy Perry Gets Down and Dirty with Madonna SKYPE US TMZTVSHOW TWEET US Tweet to @TMZLIVE more info

Perez Hilton — We know how you feel! Hillary Clinton was on The Late Show Tuesday night getting some extra press for her current run for the Democratic party's presidential nomination. The former Secretary Of State chatted with Stephen Colbert a bit about how she s... more info

Perez Hilton — Madonna agrees — Katy Perry is one Unapologetic Bitch! The Dark Horse songstress crashed the music legend's concert on Tuesday night, during the Inglewood, California leg of her Rebel Heart tour. And things got a little crazy! Photos: Katy Celebrat... more info

TMZ — Madonna rocked The Forum in L.A. Tuesday night, and there was a revelation during the concert ... Katy Perry has mother issues. Katy joined Madonna, as a bunch of stars cheered them on, including AJ McLean, Rondell Sheridan, Joe Walsh, Sean Hayes,…... more info

Perez Hilton — Stars really ARE just like us! You'd think someone like Katy Perry would go to the ritziest restaurant she can find for a star-studded celebration, but the pop princess decided to ring in her 31st year a little differently! The singer became another ... more info

Perez Hilton — Yikes. In Russell Brand's revealing new documentary, the comedian takes several jabs at his ex wife Katy Perry and their 14-month marriage. As we saw in her flick Katy Perry: Part Of Me, the relationship didn't end on the best note: a text from Brand... more info

Time — She is a big supporter of the Clinton's 2016 campaign more info

Perez Hilton — She's sure got the spirit! Katy Perry is apparently feeling a bit political as she traveled to Des Moines, Iowa over the weekend to lend her support to Democratic hopeful Hillary Clinton! The Firework singer had a bit of fun with it too as she took o... more info