It was one of Fallon's debut episodes for his ‘Tonight Show’ installment and she was there to help kick things off. Gaga performed her album title track ‘ARTPOP’, which was a weird choice given that she shot a new music video recently (allegedly for 'G.U.Y'). Why she performed this, I couldn't tell you. Gaga's performance was trippy as hell and she was doing her best convulsive Lorde impersonation on set.
Check it out.