Sienna Miller [1] has a new man in her life! The actress, 34, has been dating Foxcatcher director Bennett Miller [2], 49, for a few months now, Us Weekly reports. The actress, who shares daughter Marlowe, 4, with ex Tom Sturridge, hasn't been shy about showing PDA with Bennett. The two were recently spotted getting cozy at Wimbledon in London in July, then again at the US Open in New York City in September.
