11/9/2008 in Sienna Miller is single! Married women, beware. . . . Susie Kopecky Actress and celebrity famous for being famous, Sienna Miller, is officially single. Miller, who was until recently an item with Balthazar Getty, announced this weekend that she is single, saying, "I'm completely happy with that," to *Us Weekly*. There has been gossip that Miller pulled the plug on their relationship after Getty did not actually complete his divorce. The two were identified as a couple earlier in the summer, when they were photographed together, with Miller sans top. In statements, the performers soon after confirmed their romance, and Miller soon after sued the photographers, and Getty attempted to extricate himself from controversy by claiming that he and his wife were already separated. Miller formerly dated actor Jude Law.