"Sweet Dreams My LA Ex" is the début single by English singer-songwriter Rachel Stevens. It was released on 15 September 2003 as lead single from her first solo album, Funky Dory. Originally written for Britney Spears, the song was produced by Swedish Bloodshy & Avant, and received a mixed reception from contemporary critics. The single is Stevens's most successful single to date, peaking at number two on the UK Singles Chart.