"Case of the Ex" is a song by American recording artist Mýa. It was written and composed by Christopher "Tricky" Stewart and his songwriting partners Traci Hale and Thabiso "Tab" Nkhereanyne for Harrison's second studio album Fear of Flying (2000). Originally a rap song, the lyrics of the upbeat R&B track were inspired by a relationship Hale was going through at the time. It was released as the second single from the album following "The Best of Me".