Justin Bieber's swag bag just got a little heavier. After tapping the x-rated R&B genius R. Kelly for "PYD," the Canuck wunderkind taps Chance The Rapper for "Confident." The reggae-laced serenade pays tribute to a bad mammajamma that has caught the Biebs' attention. Chancellor also swoops in with a sexy 16 for the ladies by third quarter. Wine and rewind it below. You can also forward some cents to #MusicMonday on iTunes.