Watch ‘That Girl Lay Lay’ Cast Get Festive With Christmas Carols (Exclusive)

In ET’s exclusive clip, Alaya High stars as Lay Lay, an avatar that magically comes to life. She joins her best friend, Sadie, and the Alexander family to sing Christmas carols! ‘That Girl Lay Lay’ ‘Fa-La-La-La-La-La-La-Lay Lay’ airs Thursday, Dec. 2, at 7:30 p.m. ET/PT on Nickelodeon.