Kid Rapper MattyB Defends Sister with Down Syndrome in New Video The 11-year-old is famous for his YouTube videos ...

Ten-year-old pop prodigy MattyB has returned with a new single for his million of YouTube fans, this time from the upcoming film "Free Birds." ...

— MattyB Photos|Videos (@MattyB_Newsss) June 4, 2016 “OMG, there he is. We love you, Matty!” screamed hordes of adolescent girls waiting in line to meet their favorite music artist — and, likely, ...