New couple alert? Sienna Miller and Josh Hartnett certainly seemed cozy at Hollywood`s Chateau Marmont on Tuesday night.

Miller, 25, and Hartnett, 28, sat side-by-side on a couch in the hotel restaurant`s living room area, laughing and chatting for about an hour before they were joined by a female friend of Miller`s.

But they kept things intimate – at one point, Miller stood in front of a seated Hartnett, who held on to her thigh with his hand. The pair eventually headed out, cocktails in hand, to the hotel`s poolside bungalow area.

So are the single actors (she split with Jude Law in November; he most recently dated his Black Dahlia costar Scarlett Johansson) an item?


Sienna Miller & Steve Buscemi Dish on Josh Hartnett Rumors

SATURDAY JANUARY 27, 2007 06:00 AM EST

As it turns out, Steve Buscemi and Sienna Miller share more than the experiences they had on the set of their new film Interview.

At the Sundance Film Festival premiere of the movie (about a veteran war reporter on assignment to interview a self-centered tabloid star) the duo revealed how they feel about each other, the secrets of swag suites and who`s really involved with Scarlett`s ex!

So Josh Hartnett? Is he just a friend? Are you dating?
STEVE: That`s the one...
SIENNA: He`s a friend. A male friend...
STEVE: But Josh and I (he says, raising an eyebrow)
SIENNA: Buscemi and Hartnett!
STEVE: You should ask Josh about me. Let`s see if he`ll come clean.

http://www.people.com/people/article/0,,20009997,00.html

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