While Madge strutted a look back at the eras of her life in Celebration, Gaga’s Mayhem Ball is Moulin Rouge! on acid with ...

A little over halfway into Lady Gaga’s joyous, freaky, gothic, glorious, theatrical and even operatic “Mayhem Ball” concert ...

Lady Gaga rocked an Ozzy Osbourne T-shirt and danced to 'Crazy Train,' while Coldplay and Dave Matthews covered 'Changes' to ...

" Lady Gaga has always shown me such great kindness," Shangela says in this week's issue of PEOPLE. "The fact that this beautiful person is doing this for me — I don't want to let her down.