Pregnant Sienna Miller Keeps Her Bump Under Wraps in Chic Ensemble

Sienna Miller, who is pregnant with baby No. 2, kept her bump concealed with a trendy oversized ensemble on Monday while out at the London launch for her sister's collection, Vivere by Savannah Miller, held at Luci in the city's chic Covent Garden district.

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Pregnant Sienna Miller Keeps Her Bump Under Wraps in Chic Ensemble

Pregnant Sienna Miller Keeps Her Bump Under Wraps in Chic Ensemble

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Pregnant Sienna Miller Keeps Her Bump Under Wraps in Chic Ensemble

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Pregnant Sienna Miller Keeps Her Bump Under Wraps in Chic Ensemble