Whilst performing 'Swine', a single from her most current album, Gaga had a female on stage with her stick her fingers in her throat and eject a green substance over her- nice.
The shock tactics didn't stop there however as she and her female accomplice sat atop a mechanical rodeo bull while this time the woman spewed black liquid onto the singer. Scissoring, hugging and other general debauchery followed before she finished the gig in a sickly mess.
For those of you who wish to see her pukey performance, you can watch it below:
