Tyler Hubbard of Florida Georgia Line and his wife, Hayley, announced before the GRAMMYs that their daughter, Olivia, will be a big sister. On today's episode of "Ellen," they will find out the gender of said baby with Ellen and Tyler's band mate, BK, pushing a red button to fire cannons with colored confetti. Tyler and Hayley both think the baby is a boy - let's see if they're right! We just happen to have that video for you: