"Just Dance" is an electropop/dance-pop song and lead single from Lady GaGa's first album, The Fame. The song is written by Lady GaGa and features Colby O'Donis, who is signed to the same label as Lady GaGa, and Akon, who provides backing vocals through Colby's verse and shortly afterwards. The track is co-written and produced by RedOne (most known for working with Akon, MJ, Shakira, Kat DeLuna).

Lady GaGa performed "Just Dance" at the Miss Universe 2008 pageant; after performing, "Just Dance" climbed the digital single sales charts, such as the iTunes Store, where it reached #99 then #48. After her performance on the So You Think You Can Dance results show, the single reached a new peak of #25 on the American iTunes Store and #1 on the Canadian iTunes Store. On September 14, 2008 "Just Dance" ascended into #1 on the Australian ARIA Singles chart.