John Mayer continued to maintain those bulging biceps with a trip to the trainer in LA yesterday. He might not have much to say these days now that he's being more private for Jen, but we'll get to hear from John and his guitar in a few weeks. He's set to perform as part of “The Grammy Nominations Concert Live!! — Countdown To Music’s Biggest Night” on December 3. John will be joining Celine Dion, Foo Fighters, Taylor Swift, and B.B. King for the one hour special, but we're most excited to see whether or not Jen will be there to cheer him on from the audience.
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