: The track was written by R. Kelly, Ronnie "Lil' Ronnie" Jackson , and J. Smith .
The primary feature on the original track (2007) is Usher . While the song is often credited as a duet, it officially appeared on R. Kelly's album Double Up featuring Usher. Additional Features and Versions
: The official remix of the song features T-Pain alongside R. Kelly and Usher . This version is notable for R. Kelly's use of Auto-Tune.