Rapper makes his first apperance at the event
Plus Lily Allen declares festival will be her 'Last gig in London'
Company say the rapper failed to pay a $137,000 bill
Rapper headlines first night of 2010 event
'The Hits Collection Vol.1' is released in June
Them Crooked Vultures, LCD Soundsystem and Tom Morello also play sets at the US bash
Plus rapper hints that he may invest in the Gunners in the future
Rapper gives his advice to the music industry
Rapper set to return to the UK this June
Thom Yorke, LCD Soundsystem, Them Crooked Vultures also on bill