Greyson Chance is a singer.
Greyson Michael Chance ( born August 16 , 1997 ) is an American singer , songwriter , and pianist . His debut single , `` Waiting Outside the Lines '' , was released in October 2010 . Chance 's debut album , Hold On 'Til the Night , was released on August 2 , 2011 . `` Waiting Outside the Lines '' is the debut single of American pop rock singer Greyson Chance .