Gallagher is 25 years old and originally hails from Cresson, Pennsylvania. Currently, he lives in Nashville, Tennessee, where he moved two years ago. Gallagher originally started out on Blake Shelton's team, but was later stolen by Adam Levine. When he first was in the blind auditions, he got to choose between Shelton and coach Alicia Keys. He ended up going with Keys. (Photo by: Trae Patton/NBC)