Will Smith Gives Fitness Update After Vowing to Get Into 'Best Shape of My Life'

"And to think Sundays used to be for muffins." After announcing his commitment to getting "into the best shape of my life" back in May, Will Smith gave his followers an update on his progress. On Sunday, the 53-year-old superstar posted a training montage to Instagram, showing how his weekends have seriously changed since his fitness initiative. "And to think Sundays used to be for muffins #bestshapeofmylife," he captioned the post, which begins with a trainer screaming at him, "Are you in your ...