Lady Gaga and R Kelly left little to the imagination as they suggestively performed sensual acts on each other on .
The 27-year-old made sure her debut duties were not easily forgotten as she writhed around on , grinding with the Bump N’ Grind hitmaker as they sang their duet Do What U Want.
At one point in the performance, the R&B singer threw Gaga over spanking her bum. shoulder before putting her down and
Halfway through the song, the controversial singer dropped to her knees in front of R Kelly much to the shock of the . See pics below