JUSTIN TIMBERLAKE has returned to his Southern roots by writing and producing a new song for country music star REBA MCENTIRE. The Tennessee native has dedicated the track, The Only Promise That Remains, to his country-fan grandfather. Timberlake tells MTV, "I just wrote and produced a song for Reba MCEntire for her new record. I'm from Tennessee, so I'm making my grandfather very proud by working with someone like Reba MCEntire."

[via Contact Music]