"Who Owns My Heart" is a song by American singer Miley Cyrus for her third studio album Can't Be Tamed (2010). The song was written by Cyrus, Antonina Armato, Tim James and Devrim Karaoglu, and produced by Armato and James. "Who Owns My Heart" was released on October 22, 2010 by Hollywood Records as the second and final single from Cyrus' third studio album Can't Be Tamed. It would become her final overall release with Hollywood Records after signing with RCA Records in 2013. The song was written about the feelings a club's environment can lead someone to believe. "Who Owns My Heart" is musically club-oriented and driven by synths. Lyrically, the song speaks of meeting a potential love interest at a nightclub.