Sweetest Sin / In This Skin - Single

A CD-single, featuring a single version of “Sweetest Sin” and “In This Skin”, two songs which appear on Simpson’s third studio album, In This Skin, was released on July 22, 2003, via Sony Music Entertainment. The CD-single was also released digitally via iTunes.

The single version is shorter in length (3:04) than the album version of the song (3:14), and shortens the second and third chorus, as well as the outro.