Sienna Miller Calls It Quits With Balthazar Getty, Rebounds With Josh Hartnett

Balthazar Getty via Getty Images; Sienna Miller and Josh Hartnett via Photo Agency

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Shocking news: True love died between Sienna Miller and Balthazar Getty. The two are officially over, according to the UK's Mirror, where a friend revealed: "Sienna loved being with Balthazar but there was too much baggage and she couldn’t commit to anything more than a few months. They are still good friends."

Hmm. The stakes were high in this relationship, considering Getty left his wife Rosetta and their four kids behind to get steamy with Sienna. Too bad Miller didn't realize she "couldn't commit" a bit earlier.

In any case, Sienna's rebounding with another sexy Hollywood actor. When Josh Hartnett entered the hospital with severe stomach pain last month, she rushed quickly to his bedside to nurse him back to health -- and apparently the two chat constantly on the phone. A source says:
Josh and Sienna have a unique bond. They understand each other and I wouldn’t be surprised if a relationship blossomed.
Considering the romantic histories of these stars, we would be extremely surprised if a relationship blossomed. Josh has been hot and heavy with Scarlett Johansson, Helena Christensen, Monet Mazur, Kirsten Dunst and Penelope Cruz, while Sienna dated Jude Law and Rhys Ifans before starting up with Getty. Phew!

Getty and ex-wife Rosetta last year. Regardless, it's not just Sienna's personal life that may enjoy a boost after her split from Balthazar. Professionally, her reputation as a homewrecker hasn't been especially conducive to landing film roles. Now, the source adds, "She has a real chance of hitting the big time again."

See more pictures of Sienna, Balthazar and Josh (click any photo):