Sean Penn hit the beach on Saturday ready to navigate the waves off Malibu on his paddle board. He's embracing the Spring weather and spending lots of time outdoors lately. Sean Penn and Scarlett Johansson have hit the streets for couple's jogs with pal Owen Wilson, and Sean's even a fan of solo shirtless runs. Owen left the West Coast over the weekend and reunited with his infant son, Robert Ford, and girlfriend in Hawaii. Scarlett, on the other hand, has reportedly moved into Sean's home. She may have the house to herself next month when Sean heads to Cannes along with the growing list of A-list stars like Brad Pitt and Johnny Depp. He stars in two major projects making their debut during the French film festival, Tree of Life and This Must Be the Place. Sean's schedule isn't slowing down any time soon as he just signed on to star opposite Christian Bale in The Last Photograph.