I have to get my a– to the gym and be a believable hard-a–.' " RELATED VIDEO: Billy Joel, J.K. Simmons, Jimmy Fallon Sing a Doo-Wop Version of ‘The Longest Time’ And then in 2009 ...

but after shooting wrapped Simmons felt he was ready for a full-body change. "He wanted to get into the best shape he had ever been in," Williamson says, adding, "J.K.'s goal was to adopt a ...

Jonathan Kimble Simmons has built a decades-long career ... What does 60 minutes in the gym with JK look like now? Well, now it’s about 60 minutes, but when I was training really hard for ...