"Who Am I" is a popular song co-written by songwriter and ex-Brother Beyond musician Eg White, and singer Lucie Silvas. It was recorded by Will Young and featured on his third album, Keep On. The track was released as a single on 24 April 2006.

Songwriter Silvas based the lyrics on her then-boyfriend. She had wanted to write a song from a male perspective as opposed to her usual female perspective.

"Who Am I" entered the UK Official Download Chart on 12 April 2006, due to individual album tracks being available to download. It entered the UK Singles Chart on 23 April at number 47 based on download sales alone. Following the song's physical release, it peaked at number 11, becoming Young's first single to fail to reach the top 5 in the UK.

"Who Am I" was shortlisted for the Popjustice £20 Music Prize in 2006.

The video for "Who Am I" was directed by Dougal Wilson. It features a montage of clips from Blue Peter from past decades, with Young superimposed over the presenters. Young confirmed in an interview with Top of the Pops that he received an honorary Blue Peter badge for the video.

Then presenter of Blue Peter Konnie Huq makes a cameo as a paratrooper who supervises Young on a slide from Tower Bridge whilst then pet Mabel appears throughout the video. One blooper occurs 35 seconds into the video when Young presents a homemade replica of Tracy Island. The model of FAB 1 shown is based on the 2004 live action incarnation even though the video is set in the 1970s.

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