R. Kelly is in the Christmas spirit and he isn’t afraid to show it.

This past Friday, Kellz and his entourage were hanging out at Papa Juan Cigar Room in Harlem, NYC when a random bar patron started recording the R&B singer with his cell phone.

But the guy probably could have never guessed what was about to happen next…

To his surprise, the “King of R&B” jacked his cell phone and recorded a video singing his own rendition of  “Chestnuts Roasting” aka “The Christmas Song,” and everyone in the bar loved it!

WATCH THE VIDEO UP TOP!