Sienna Miller was looking a wee bit tired on Wednesday morning while out to launch the International Indian Film Academy (like our Oscars) at a luncheon at Madame Tussauds in London. Party girl Sienna dragged herself out of bed after what seemed like a fun time celebrating Fergie's Birthday. The IIFA (and Sienna) also showed support for Global Cool, the anti-global warming organization that has been championed by Josh Hartnett and Orlando, among other young celebs. We can only imagine what Sienna's head must have felt like, but at least she managed to smile (somewhat).
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