Sean Penn was spotted on a Hawaiian vacation with "a young mystery blond." THe two were seen kissing while "frolicking" in the ocean. According to the Daily Mail, 57-year-old Penn is dating 24-year-old Leila George. George is actor Vincent D'Onofrio's daughter. George is an Australian actress who most recently starred in "Mother, May I Sleep with Danger?" with James Franco and Tori Spelling. Last week George shared a photo on her Instagram of herself and Penn recording an audiobook together for Audible.com