First Justin Bieber vomited onstage during his ‘Believe Tour’ and last weekend was Lady Gaga’s turn. During the Barcelona stop of her ‘Born This Way Ball Tour‘, the megastar quickly threw up a stream of puke and revealed a curious detail – she was lip-syncing.

Lady Gaga has been readying the followup to her double platinum ‘Born this Way’ album during the last few months and now we’re getting the first glimpse of her new material. During a ‘Born this Way Ball Tour’ performance in Melbourne, Australia, the singer debuted a new song called ‘Princess Die’.