Rosie McClelland Is All Grown Up and Getting Candid About Her Singing Career (Exclusive)

Rosie McClelland is all grown up! The 13-year-old singer spoke with ET’s Cassie DiLaura about growing up in the spotlight and her new song, 'TikTok.' Plus, McClelland reveals whether she keeps in touch with Ellen DeGeneres nine years after making a name for herself on the comedian’s daytime talk show.