Before tonight's inevitable big NYE celebration, Sienna Miller had another big party to throw — her 26th birthday on Friday night! She was full of smiles on her way into the soiree at a pub in London where she was joined by her boyfriend Rhys Ifans along with other celebrity couples such as Keira Knightley and Rupert Friend and Kate Moss and Jamie Hince. It looks like Sienna even borrowed her former enemy/current friend Kate's leopard print jacket for the event. There were rumors that Rhys was set to propose to Sienna on her bday, but it still seems a bit too soon for that. Hopefully, all the pretty blondes got in a few solid days of recovering from this one before putting back on those party shoes for tonight's big bang.
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