This spirited number was produced by Polow Da Don, whose other credits include"Love in This Club," "Forever" and Aguilera's "Not Myself Tonight." He paid tribute to the singer in an interview with Billboard magazine: "The first is that, as far as her singing goes, she's a professionally trained animal. And the other is that she knows exactly, absolutely what she wants."
The song contains a sample from the 1973 track "Jungle Juice," by UK electronic act Elektrik Cokernut. from their album Go Moog!.
This was released as the fourth single (the second single in Australia) from Christina Aguilera's fourth studio album Bionic. It was written by Aguilera, Ester Dean, William Tyler, Bill Wellings, J.J. Hunter and Polow da Don.