"Juice" is a song recorded by American singer and rapper Lizzo. It was released on January 4, 2019, by Atlantic Records as the lead single from her third and debut major-label studio album, Cuz I Love You. The single was written by Lizzo, Theron Thomas, Sam Sumser, Sean Small and Ricky Reed; the latter also handled the song's production. Musically, it is a retro-inspired funk and funk-pop song that is based on a throwback groove. Lyrically, the song discusses self-love, and has been described as a self-esteem anthem.

Melissa Viviane Jefferson, known professionally as Lizzo, is an American rapper and singer. Born in Detroit, Michigan, she moved to Houston, Texas, with her family at the age of ten. After college, she moved to Minneapolis, Minnesota, where she began her recording career in hip hop music. Prior to signing with Nice Life Recording Company and Atlantic Records, Lizzo released two studio albums, Lizzobangers (2013) and Big Grrrl Small World (2015). Her first major-label extended play (EP), Coconut Oil, was released in 2016.