A scantily clad Megan Fox and her husband, Brian Austin Green, went for a dip in Hawaii on December 18. Bauer-Griffin Sean "P. Diddy" Combs took a jog on the beach in St Barth's with his kids. Fame Pictures Zoe Saldana and her fiancé Keith Britton stayed safe in helmets as they took to the slopes in Aspen on December 22. Pacific Coast News George Clooney and his girlfriend, Elisabetta Canalis, escaped to Los Cabos the week after Christmas—where Canalis and a friend went for a walk on the beach. Splash News Simon Cowell donned a life jacket to ride some waves in Barbados on December 16. Splash News Lance Armstrong, Anna Hansen and their newborn babies, Maxwell Edward and Olivia Marie, hit Miami Beach on November 30. Ellen DeGeneres and Portia De Rossi spent the day shopping hand-in-hand in St Barth's in the French West Indies on December 26. Splash News Rihanna returned home to Barbados for Christmas—where she spent time on the beach with family and friends. Splash News Elle “The Body” Macpherson stayed warm in fur-lined boots and a matching jacket while running errands in Aspen on December 23. Fame Pictures Bar Rafaeli showed off a printed bikini as she hit the beach in Mexico with friends on December 27. Bauer-Griffin Naomi Watts and Liev Schreiber escaped freezing temperatures in New York to take their sons to Australia for Christmas. Pacific Coast News Paris Hilton and her boyfriend Cy Waits couldn’t keep their hands off each other as they went swimming in Maui on Dec. 23. Pacific Coast News