Sean Penn: Shirtless Jogging with Shannon Costello!
The 51-year-old actor went shirtless and wore a pair of running shorts while his 26-year-old girlfriend opted for sweats.
Last week, Sean and Shannon went public as they went out for dinner together at Nobu.
Shannon is the former communications director for Sean’s J/P Haitian Relief Organization and has worked on the documentary Waiting for Superman and ABC News’ 20/20.
30+ pictures inside of Sean Penn and Shannon Costello jogging in Malibu…