Blake Shelton is the  reigning CMA Male Vocalist of the Year!  He has a new series of commercials claiming he is the most interesting man in country music! His eighth studio album "Red River Blue"  was released yesterday! In support of his new release, Shelton will appear on LIVE! With Regis and Kelly on this morning (7/13) and NBC’s “Late Night with Jimmy Fallon” to night (7/13).  Last night Shelton appeared on NBC’s “Late Show with David Letterman. Check out the video of his appearance!