Sean Penn malibu jogging workout hoody track pants

Happy 4th of July Sean!

While everyone else is celebrating America's birthday at parties and the like, the two-time Oscar winning actor decided to hit the gym in Malibu to burn some lbs. Love the dedication!

There have been recent reports that the 51-year-old actor has rekindled his romance with Petra Nemcova after they were spotted together in Haiti. That's always a good reason to work on your fitness!