"Do You Remember" is the second single by British R&B artist Jay Sean from his American-debut album, All or Nothing. The song features Jamaican dancehall musician Sean Paul and American crunk rapper Lil Jon. The song was produced by J-Remy and Bobby Bass.

The song was released to U.S. radio stations on 20 October 2009 and released as a digital download on iTunes on 3 November 2009. It is Sean's second single to enter the top ten on the Billboard Hot 100, making him the first male act since Chingy in 2003 to "simultaneously appear in the Hot 100 top 10 with his first two charting singles from a debut release." The single has sold more than a million digital copies in the United States alone. It was later released in the UK on 22 February 2010.

The song was also featured at the start of the 2010 film remake of The Karate Kid.

Speaking in February 2010 to noted UK R&B writer Pete Lewis of the award-winning Blues & Soul, Jay explained the background to the track:

"Do You Remember" is recorded in the key of B major in common time at a tempo of 126 beats per minute. The song follows a chord progression of B–F♯–C♯m–E, while the vocals span from E₄ to F♯₅.

There are two versions of the song.

The video was shot in Los Angeles on 11 November 2009 with Sean Paul and Lil Jon and was directed by Gil Green. It features Sean, Paul and Lil Jon in a New York City block party setting and features cameos by DJ Paul of Three 6 Mafia, Tyga, Birdman and Kevin Rudolf. The lead girl in the video is the model Jessica Vilchis, who plays the role of Jay Sean's love interest in the music video.

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