Sienna Miller has been spotted flirting with Josh Hartnett.

The 27-year-old actress was celebrating the start of New York Fashion Week at the DeLeon Tequila party at Rose Bar last week when she was seen approaching the 'Black Hawk Down' hunk.

Sienna Miller has introduced her family to her new boyfriend. The "G.I. Joe: The Rise of Cobra" star - who began dating George Baker, a "psychedelic trance" DJ known as Slinky Wizard, last month - took her latest beau to a pool party at her step-mother Kelly Hoppen's villa, in Ibiza, Spain.

A source said: "Sienna and George are really quite besotted. They haven't been dating for long but decided to just go for it and get away for a sunshine break.

Sienna Miller is dating a man known as Slinky Wizard. The "G.I. Joe: Rise of the Cobra" star has been seen enjoying intimate dates with George Barker, a "psychedelic trance" DJ who insists his friends call him by his magical moniker.

The 27-year-old actress met George earlier this year and took him to the Secret Garden Party music festival last month.