"Come Undone" is a song by British singer Robbie Williams for his fifth studio album Escapology (2002). Written by Williams, Boots Ottestad, Ashley Hamilton, and Daniel Pierre, it was released as the second single from Escapology on 31 March 2003 by Chrysalis Records. "Come Undone" peaked at number four on the UK Singles Chart and reached the top 20 in seven other European countries.

Robert Peter Williams is an English singer and songwriter. He found fame as a member of the pop group Take That from 1990 to 1995, launching a solo career in 1996. His debut studio album, Life thru a Lens, was released in 1997, and included his best-selling single "Angels". His second album, I've Been Expecting You, featured the songs "Millennium" and "She's the One", his first number one singles. His discography includes seven UK No. 1 singles, and all but one of his 14 studio albums have reached No. 1 in the UK. Six of his albums are among the top 100 biggest-selling albums in the UK, with two of them in the top 60, and he gained a Guinness World Record in 2006 for selling 1.6 million tickets in a single day during his Close Encounters Tour.