"Cosmic Girl" is the second single from British funk/acid jazz band Jamiroquai's third studio album, Travelling Without Moving, released on 11 November 1996 on Sony Soho Square in the United Kingdom and 14 January 1997 on Sony Music/Work Group in the United States. It achieved great chart success, peaking at number 6 on the UK Singles Chart.

The song appeared in MTV animated series Daria in the episode "This Year's Model".

"Cosmic Girl" is a disco song, a dance music song based on rhythmic "looped beats" "to give it an off-center, otherworldly" sound. The syncopated rhythm contains 10 pulses which occur inside a 32-beat pattern, with pulses on beats 4, 7, 10, 13, 16, 19, 22, 25, 27 and 30. Coincidentally, the first four beats of this pattern are the same as the George Gershwin song "I Got Rhythm". Jamiroquai's psychedelic lyric evokes a spacey environment, using terms such as "zero gravity", "hyperspace", "galaxy" and "quasar". A disco-era aura is achieved by incorporating early electronic synthesizers along with disco-style string parts also produced by synthesizers.

While the single, and especially its chart performance, received mixed reviews from critics, it has become one of the better-known tracks of the band, and a concert staple. Live versions usually last for 7–8 minutes, nearly double the duration of the album version. In 2006, it was reissued as part of the "Classic Club Mixes" series, which also included "Space Cowboy", "Deeper Underground", "Love Foolosophy" and "Alright". The B-side to the single was an instrumental, "Slipin' 'N' Slidin'", a rather obscure song originating from another old Jamiroquai tune called "Mr Boogie", which was a live-only song. "Slipin 'N' Slidin'", just like "Mr Boogie", also had a vocal version.

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