Reports have been insisting that P. Diddy and Sienna Miller have been dating.
However, the only thing holding back the rumors from being true is Diddy's relationship with Kim Porter - the mother of his children. The rap mogul and Kim welcomed twin daughters seven months ago.
However, it seems that the long-term relationship has crumbled. And Sienna could be the reason behind the split.
The New York Post is reporting that Kim has moved out of the home she shared with the star, while Diddy has been in London romancing Sienna.
A source told The Post, "Kim is in Louisiana filming a movie right now, and when it's done she's moving to L.A. She is focusing on her career as a model and actress and raising her children. They are the best of friends, but they just can't be together right now."
The mother-of-four has reportedly already purchased her own home in Beverly Hills, away from Diddy.
Meanwhile, in London, the singer and the starlet have been getting cozy. Diddy and Sienna were first pictured together at the Golden Globe Awards in January.
Now, they have been spotted again at the after party for the Princess Diana concert at London club Paper.
A source told Britain's Daily Mirror newspaper that Diddy, "didn't look too happy to be there...until [Miller] arrived...For seemingly the first time all night, he started to enjoy himself...he ordered six burly bouncers to form a ring around the couple. And one unlucky reveler who accidentally strayed too close to the pair at Paper...was manhandled out of the way by their guards."
Sienna has also been linked to Hayden Christensen and Josh Hartnett since splitting with Jude Law.
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