"You Know You Like It" is a song by English electronic music duo AlunaGeorge from their debut studio album, Body Music (2013). The track was released in the United Kingdom on 20 April 2012 as the album's lead single. The song peaked at number 39 on the UK Singles Chart in April 2013 after being used in a Tesco advert.

Timed with the release of the album, "You Know You Like It" was re-released on 28 July 2013, as a double A-side with "Bad Idea". It subsequently reached a new peak position of number 39 in the UK Singles Chart on 4 August 2013.

A remix by DJ Snake, which was also featured in the 2014 film The Amazing Spider-Man 2, boosted the song's popularity in the United States, where it became a sleeper hit, peaking at number 13 on the Billboard Hot 100 and reaching number one on both the Billboard Dance/Mix Show Airplay and Rhythmic charts.

The track was met with very positive reviews upon its release. Pitchfork awarded the song their "Best New Music" tag.

A music video to accompany the release of "You Know You Like It" was first released onto YouTube on August 31, 2011 at a total length of three minutes and thirty seconds. The video is shot in black and white and features clips of Francis dancing.

A second music video was released on June 13, 2013 on YouTube and Vevo. The video shows the duo partying at an empty pool intercut with clips on Francis dancing with backup dancers.

French DJ and producer DJ Snake released a trap remix of the track in 2013, which was featured in the 2014 movie The Amazing Spider-Man 2 and has achieved more chart success in the United States and Europe than the original single. The song was uploaded to AlunaGeorge's SoundCloud on July 22, 2013 as an official remix of the song, but was later released as a remix single on October 20, 2014.

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