"Let's Get Crazy" is a song recorded by American singer Cassie. It features a guest appearance from American rapper Akon, who co-wrote the song with Bilal Hajji, Kinnda Hamid and RedOne, with the latter also helming the song's production. The single impacted rhythmic contemporary radio stations in the United States on August 10, 2009, and was initially digitally released on September 1, 2009, through Bad Boy in association with Atlantic Records. It peaked at number thirty-three on the US Billboard Rhythmic chart.