Blake Shelton is a country boy at heart — but on Tuesday's his fellow coaches just had to roast him for not knowing a major pop hit!New season 21 coach Ariana Grande impressed John Legend and Kelly Clarkson with her unique song selection in the Battle Round — assigning Vaughn Mugol and Katherine Ann Mohler a melodic arrangement of Nelly and Kelly Rowland's iconic 2002 duet, «Dilemma.» However, when it came time for Blake to give his critiques on the performance, it turns out he had never heard the song before.«My though was, 'Wow, I can't wait to hear that song for the first time,'» he admitted of his thoughts prior to the performance.«Did you live under a rock?» Kelly exclaimed, with John agreeing, «This was an immensely huge.
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