Jessica Simpson subtly shows support on Instagram for her ex, John Mayer, and his performance at the FireAid benefit concert. Billy Joel Brings Out John Mayer and Axl Rose at His L.A. Concert ...

John Mayer will appear on TBS and truTV's popular hidden camera comedy series this Thursday at 10 p.m. ET Joelle Goldstein is a Senior News Editor on the TV team for PEOPLE Digital. She has been ...