Matchbox Twenty Frontman, Rob Thomas, Joins 'The Voice'
Description:Matchbox Twenty frontman Rob Thomas, will 'The Voice' as Cee Lo Green's team as a mentor. Thomas is really excited to work with Cee Lo. He joins the ranks of other mentors like Mary J Blige for Team Adam Levine and Mike Buble for Blake Sheldon. The mentor for Team Christina Aguilera has not yet been announced.(0:44)