 " My Boo " is a duet between American R & B singers Usher and Alicia Keys , written by Usher , Keys , Jermaine Dupri , <unk> Shropshire , and Manuel Seal , Jr .. The song was released as the album 's fourth single in 2004 . Set over a hip hop @-@ style track , it was produced by Dupri and No <unk> It was included on the re @-@ release of Usher 's fourth studio album , Confessions ( 2004 ) . 
