Written by McFadden, Paul Barry and Mark Taylor, and produced by Taylor, the song appears on McFadden's debut studio album, Irish Son, and on Goodrem's second studio album, Mistaken Identity.

The duet reached number one in both singers' home countries and charted within the top three in Denmark, Norway, and the United Kingdom.

[1] The song is written in the key of A minor and moves at a tempo of 78 beats per minute.

[2] Released in the United Kingdom on 31 January 2005,[3] the song made its first chart appearance in Brian McFadden's native Ireland, where it debuted at number two on 3 February 2005 and peaked at number one the following week.

[10][11] In the accompanying music video, McFadden is seen to be chasing after Goodrem through an airport, after she forgets her handbag.