"Leave (Get Out)" is the 2004 debut single by American pop/R&B recording artist, JoJo, taken from her hit self-titled debut album. Written by Soulshock, Kenneth Karlin, Alex Cantrell and Phillip "Sky" White, "Leave (Get Out)" was a international success, reaching number-twelve on the Billboard Hot 100, and number-one on the U.S. Pop Songs chart. JoJo became the youngest solo act (aged 13) to ever have a number-one single, and it is her best-known single to-date.