It was written by Derrick "Bigg D" Baker, Christopher Bridges, Harold Lilly, and Jim Jonsin for his same-titled second studio album (2005), while production was helmed by Baker, Lilly, and Jonsin.

"Unpredictable" samples "Wildflower" and "Wild Flower (Suite)" by American funk and R&B group New Birth.

[1] "Unpredictable" debuted at number 100 on the US Billboard Hot 100 chart, on the week of May 6, 2006.

[3] On June 14, 2006, the single was certified platinum by the Recording Industry Association of America (RIAA) for sales of over a million copies in the United States.

[5] This became Foxx's highest charting song in UK as a lead artist.