“Just doin’ my part, y’all .” JoJo Says She Was Put on an Extreme 500-Calorie a Day Diet as a Teenager “Leave (Get Out)” was JoJo’s debut single, dropping when she was just 13 years ol ...

JoJo threw the crowd at her recent Los Angeles ... "Y'all better sing." The "Leave (Get Out)" artist - whose EP NGL arrived in January - is currently embarked on her Too Much to Say Tour.