Sienna is set on the single life - no Joshing
Sienna Miller has rejected one of the hottest men in Hollywood - because she's not interested in monogamy after Jude's affair with the nanny.
Actor Josh Hartnett has fallen head over heels for the English actress but she's told him she doesn't want an exclusive relationship after what happened with Jude.
Josh and Sienna have been on several dates and are fast becoming one of the hottest celeb pairings in Hollywood.
After their first night out at the Chateau Marmont hotel on 17 January Josh, 28, sent Sienna, 25, a massive bunch of flowers with a card saying how important their time together is to him.
We're also told he's been constantly bombarding her with calls and texts.
A friend tells us: "Sienna guessed he was trying for old-fashion Hollywood glam with the flowers, but to her his gesture came off as unoriginal, and a little on the cheesy side.
"She likes her men a little rough around the edges, and Josh seems too squeaky clean.
"When he called her to follow up on his gift, he invited her out for a romantic dinner at The Ivy - he had already phoned the restaurant to get them a prime table.
"Sienna was quick to demur; she didn't want everyone jumping to the conclusion they were in a relationship."
Meanwhile, Jude seems to be getting over their split after he was spotted leaving Mayfair's Groucho Club at 3.30am on Sunday with a mystery blonde.
Factory Girl star Sienna, who was seen speeding around LA in a flash new Aston Martin, is happy being a young gal-about-town, just soaking up the male attention.
On the other hand, Josh unfortunately seems to have fallen for her in a big way.
We're told Sienna is also wary after Josh confused her with his ex Scarlett Johannson in a recent phone conversation.
He also continuously goes on about Scarlett's success and talent, leaving Sienna to forcefully remind him she's not Scarlett.
A pal tells us: "During one of her phone conversations with Josh she was gushing about what she was going to wear to the Golden Globes.
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Instead of saying that he couldn't wait to see the number, Josh made the mistake of saying that the outfit sounded interesting, but didn't sound like anything Scarlett would wear."
