"Love Sex Magic" is a song recorded by American singer Ciara for her third studio album, Fantasy Ride (2009). Featuring fellow American recording artist Justin Timberlake, the song was written by Timberlake and his production team The Y's and Mike Elizondo. The Y's and Elizondo also produced the track. The song was released from Fantasy Ride as the lead single internationally, and was the second single from that album released in the United States.

The song reveals a complete departure from Ciara's previous style, neither a sensual ballad nor incorporating Crunk&B influences. It embraces a dance-pop sound, while including R&B and funk via a retro 1970s-style guitar present in the piece. Many critics noted the similarities between the song and music on Timberlake's album FutureSex/LoveSounds (2006). Critics gave the song mixed reviews, complimenting the song's funk and retro feel and the chemistry present between Ciara and Timberlake. The song would later go on to be nominated for Best Pop Collaboration with Vocals at the 52nd Grammy Awards.

"Love Sex Magic" peaked at number ten on the Billboard Hot 100, becoming Ciara's fifth top ten hit as a lead artist, her eighth including features, and her first since "Get Up" in 2006. Internationally, the song peaked within the top ten of the charts in Australia, Canada, France, Germany, New Zealand, the Republic of Ireland, Sweden, Switzerland and the United Kingdom. The music video also exhibits a retro feel inspired by the Crazy Horse cabaret show and features Timberlake, Ciara, and several different kinds of foreplay, as well as Ciara dancing. For its routines it was nominated for Best Choreography at the 2009 MTV Video Music Awards. Ciara has performed the song on television a number of times, including on The Ellen DeGeneres Show and with Timberlake on Saturday Night Live.

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