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Sienna Miller, 42, flashes her midriff in a chic black crop top co-ord as she opens The Treasure House Fair - five months after giving birth to second child


The Hollywood star, 42, flashed a glimpse of her midriff in a classy crop top with puffed sleeves and a matching skirt as she opened The Treasure House Fair at Royal Hospital.

The fair, which takes place from 27 June through 2 July, will bring together 70 leading galleries and will feature over 20 collecting categories in the fields of fine art, furniture, antiquities and jewellery. Sienna Miller, 42, looked effortlessly chic in a black co-ord as she opened The Treasure House Fair at Royal Hospital in Chelsea, London, on Thursday Kevin plays pioneer Hayes Ellison in the new film, who treks the West through dangerous territory in hopes of a new life, while Sienna stars as Frances Kittredge (pictured)

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