MTV.co.uk News — Katy Perry has equaled the late Michael Jackson's US singles chart record after becoming the first female artist to score five US Hot 100 No.1's. The California Gurls hitmaker achieved the feat... more info

Perez Hilton — This guy's got skills, a bus pass and a Discman! Ladies of Jersey City, watch out! Check out this impromptu performance of California Gurlz from one proud Katy Perry fan! (above) If there were more people like him in El Lay, more people would take t... more info

Gigwise — He jokes as teens pick up their results... more info

Gigwise — Only female singer to do so... more info

ContactMusic — Katy Perry has matched Michael Jackson's record of having five number one hit singles from the same album on the US Billboard Hot 100 chart. The brunette beauty's latest release 'Last Friday Night (T. G. I. F)' made history as it became her fifth sin... more info

NME — Singer also becomes first female and only living artist to notch up five US Number Ones more info

ContactMusic — Katy Perry has thanked her fans for helping her make history at the top of the U. S. pop charts - her Last Friday Night (T. G. I. F) hit has given her a high five on the Hot 100. After spending three weeks at number two, the party hit has finally dis... more info

VH1 Blog — We should have known better: never underestimate the chart prowess of Katy Perry. Back in May, we predicted that Perry’s single “Last Friday Night (T.G.I.F.)” would continue the chart run of singles from the album, and sure enough, Thursday wil... more info

USA Today Music — She's the first woman to score five No. 1 songs from one album on the Billboard Hot 100 chart. more info

VH1 Blog — This morning’s announcement of Lady Gaga as a performer at this year’s Video Music Awards is the latest sort-of confirmation of a big VMA rumor that’s been going around since reality-TV production coordinator Johnathan Woodbeck tweeted it the d... more info