Sienna Miller and Hayden Christensen Kiss… For Real This Time

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So, the last time I tried to get to the bottom of the whole "are they / aren't they" thing between Sienna Miller and Hayden Christensen, I got so many contradicting reports I nearly had an aneurism. But now I've got pictures of Sienna Miller and Hayden Christensen kissing in his car in Toronto, and well, if that's not enough for you, I don't know what is.

Meanwhile, News of the World talked with Hayden's ex-girlfriend, Lola Skye, about her feelings on the whole situation. Naturally, she's not happy.

Lola doubts Sienna's relationship with her man will last. She said: "Hay-den has been crying, trying to apologise to me. He has already promised he will stop seeing her. He says it was just 'a thing.'"

But according to Sienna's close friends the "thing" is a compulsive sex habit the pair will find hard to kick. One told us: "Sienna and Hayden are very much involved."

On the flip side, a source close to Sienna told The Daily Mail that Hayden is falling for Sienna, but she may not feel the same way.

Hayden was a brilliant shoulder for Sienna to cry on when she finally split from Jude Law. Sienna is quite flirty and their friendship became something more.

Hayden is besotted with Sienna but I'm not so sure that she totally reciprocates his feelings.

Ever since they stopped filming Factory Girl he has been calling and texting her - he thinks he is in love.

So, whether or not it's serious, the two are definitely hooking up. Of course, the fact that Sienna Miller went all the way to Toronto to meet Hayden's family (and get down to business) would seem to be a fairly strong indication of her feelings.

Previously:
Not Quite Sienna Miller and Hayden Christensen
Sienna Miller and Hayden Christensen Kiss
More on Sienna Miller and Hayden Christensen
Sienna Miller and Hayden Christensen Get Cozy