Guy Bets $100 That R. Kelly Is Not R. Kelly, Then Tries To Sing ‘Bump & Grind’ And Fails! [Video]

A drunk guy who ran into R. Kelly at a Nathan’s Famous Hot Dog in Jacksonville, Florida, didn't believe that it was actually R. Kelly! Kelz sings 'Bump & Grind,' but it still doesn't convince the guy, who then tries to sing it himself!  Too funny!