Blake Shelton is rapidly becoming a honky-tonk man about town on the Las Vegas Strip as of late. He performed for Dick Clark’s New Year’s Rockin’ Eve with Ryan Seacrest from his Stripside music venue/restaurant Ole Red on Dec. 31, then turned his attention to The Colosseum at Caesars Palace to make his debut as a resident headliner. Blake Shelton: Live in Las Vegas may be long overdue, but the country superstar has only recently managed to make room on his perpetually full plate for the six performances…