Lawsuit filed by singer's former 'best friend' Jennifer O'Neill will go in front of a jury on November 4
Singer reveals her performance of 'Applause' on 'Good Morning America' will be inspired by 'The Wizard Of Oz'
Norman Oosterbroek died earlier this week (September 2), say reports
Singer defends herself amid claims her comeback single 'Applause' flopped after it failed to make the Number One spot
DJ White Shadow offers insight into forthcoming album from US popstar
Singer makes emotional return to the stage with intimate gig at London's Roundhouse
'Applause' singer also criticises Russia
Singer says show will be a 'more intimate experience'
Singer is polishing 'ARTPOP' material ahead of comeback gig at London's Roundhouse on Sunday (September 1)
Singer is preparing for her comeback gig at London's Roundhouse on Sunday (September 1)