The alleged picture showed Gaga confined to a wheelchair and had the word 'KARMA' scrawled across it
Singer also reportedly wrote '70 – 100' songs for new LP'
Singer's tongue-in-cheek ad makes light of potential backlash for new album...
Singer promises fans 'one hour of all new music' at the freebie concert at London's Roundhouse venue
The single has been rush released after it appeared online
'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