Emma Watson's potty for Twilight star Robbie

Emma Watson joined a host of celebs last night at an exclusive dinner party to celebrate fashion label Rodarte at Harvey Nichols in Knightsbridge.

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The evening was hosted by actress Kate Bosworth, and the well-heeled crowd was fed nettle soup, roasted lemon sole and strawberry three ways.

It was a rather civilised affair, and 19-year-old Emma looked fresh faced as she took a cab home at 11pm.