Lady Gaga's 'SNL' Performance Included An Appearance By R. Kelly

11/17/2013 12:05 pm ET

Lady Gaga hosted "Saturday Night Live" this week, also serving as the musical guest for the episode.

After showing off her comedic chops, Lady Gaga performed the song "Gypsy" off of her new album "ARTPOP." The 27-year-old singer began the song at a piano, dressed in her usual over-the-top style.

R. Kelly joined Gaga for her performance of "Do What U Want," a song she recorded with the R&B singer for "ARTPOP." The duo both rocked white outfits, getting progressively raunchier as they continued.

Lady Gaga, whose "ARTPOP" is expected to hit No. 1 on the Billboard 200 this week, took to Twitter to voice her excitement ahead of the hosting gig.

Lady Gaga
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