'ARTPOP' singers asks Katy Perry to help her 'fuck up some hackers'
'Please do not make us cry and listen without headphones,' begs singer on Twitter
Performance artist says 'Bad Romance' singer was a 'quite incredible'
Pop star makes promotional video for New York-based artist
Demo version of 'ARTPOP' album track leaked online earlier this week
Track is the lead single from her forthcoming new album 'ARTPOP'
Russian politician claims Gaga performed lucrative live show while only holding a tourist visa
Pop singer says her app is "in essence, an interactive jewel case"
Singer reveals she had "a hole in my hip the size of a quarter" following injury
The first single from her new album 'ARTPOP' will be released on August 19