Idolator — In a recent BBC Radio 1 interview to promote new single “Only Girl (In The World),” Rihanna somehow managed to slam her BFF Katy Perry (not to mention Lady Gaga and Ke$ha) for making “generic” music, only to turn around and say she would “l... more info

Perez Hilton — Solange Knowles has a grievance with you KP! She believes you are, and we quote, "polluting the chirrens." Ha! We loves ebonics! Solange took to her Twitter yesterday to share her fury about Katy Perry and her video, California Gurls with all her fol... more info

Perez Hilton — She may do it with Katy, but we know she isn't texting with Lady GaGa! Rihanna revealed that before she goes out to a big event, she will check with Katy Perry and Lady GaGa to see if they are wearing something similar. Ha! She said: "My worst nig... more info

ContactMusic — Rihanna wants to duet with Katy Perry. 'Rude Boy' singer Rihanna has forged a close friendship with Katy, and even organised her bachelorette party in Las Vegas... more info

ContactMusic — RIHANNA ensures she's never left red-faced on the red carpet by texting her pop star pals KATY PERRY and LADY GAGA to find out if their outfits will clash.The singers... more info

MTV.co.uk News — Katy Perry has revealed the artwork to her new single Firework.   The shot- taken by famed fashion photographer Rankin- shows the singer with spiky hair and bigger than usual eyebrows.  ... more info

MTV.co.uk News — Rihanna has revealed that she plans to collaborate with pal, Katy Perry. Despite recently labelling the I Kissed A Girl hitmakers music 'generic pop', RiRi has now insisted that she would love to... more info

Pop Crunch — Eva Longoria Parker will succeed “California Gurl” Katy Perry as host of this year’s MTV Europe Music Awards in Madrid, network chiefs said Wednesday. The announcement came along with the unveiling of a lineup of electrifying performers — inc... more info

The Newsroom — New details emerge about the most talked about celebrity wedding between Katy Perry and Russell Brand more info

Perez Hilton — THIS! Watch the video (above) of a homolicious performance at Polesque 2010 to Katy Perry's E.T. Wowsa. Work that pole, girl boy! more info