Olly Murs, who is on tour with One Direction, recently performed an acoustic version of the song "Heart Skips a Beat," with the help of 1D cutie Niall Horan, which included a feature from rapper Chiddy Bang! Olly spilled, "What happens back stage usually stays back stage...until now!! Check out this cheeky video from Toronto #OllyAndNiall," from his twitter account after the show. Watch the awesome performance on YouTube!