High Quality Content by WIKIPEDIA articles! "If I Had You" is a song by American recording artist and American Idol season eight runner-up Adam Lambert. The song was written by Max Martin, Shellback, and Savan Kotecha and produced by Martin, Shellback and Kristian Lundin for Lambert`s debut album, For Your Entertainment. It was released as the third and final international single from the album on May 11, 2010. The song reached number 30 in the United States and reached the top ten in Australia, Canada, Finland, Hungary and New Zealand. The song was performed on Lambert`s first concert tour, the 2010 Glam Nation Tour where it was the show`s finale.