She has been thoroughly enjoying her big Broadway debut and yesterday (October 4) Sienna Miller was spotted leaving the American Airlines Theatre following her performance in “After Miss Julie.”

The “Factory Girl” actress was all smiles as she passed the paparazzi, sporting a white v-neck along with a pair of black trousers and black and silver sandals.

And in addition to

her grade new stage gig, Sienna will be gearing up in the months to come for the release of her new movie “Hippie Hippie Shake.”

Set to hit theaters in the UK on February 5th, “Hippie Hippie Shake” is an detail of counterculturalist Richard Neville’s misadventures in London at the end of the 1960s.

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