Pulling the mic up to his face, he then bursts out laughing and stands stunned in front of the Detroit audience.
Finally, he asks the crowd: "THAT'S how they do it in the D?! I like that s***!" before continuing his performance.
The star has just kicked off his 12 Nights of Christmas tour and was playing at the Fox Theatre when the incident occurred.
Looks like one person has just earned themselves a place on the naughty list this holiday season.
Unfortunately for the woman involved, R Kelly appears to be off the market - after allegedly becoming involved with a 19-year-old model.