Warner Bros. Records Artist Blake Shelton lounged by the Wet Republic Ultra Pool at the MGM Grand with GAC's Nan Kelley, while taping an episode of GAC's "Top 20 Country Countdown" yesterday. Blake was in Las Vegas for the "43rd Annual Academy Of Country Music Awards." The episode will air this Friday, May 23 at 8:00 PM/ET. Blake's video for his single, "Home," is currently No. 2 on GAC's Top 20.