Sienna Miller Gives Birth To First Child (Report)

Access Hollywood
Sienna Miller steps out with a growing baby bump at the 'The Ever Changing Face of Beauty' W Magazine opening reception at the Park Avenue Armory in New York City on February 14, 2012 -- Getty Premium
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Sienna Miller steps out with a growing baby bump at the 'The Ever Changing Face of Beauty' W Magazine …

Sienna Miller is a new mom!

The actress and fiancé Tom Sturridge have reportedly welcomed their first child, according to Us Weekly.

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The British beauty reportedly gave birth over the weekend in London.

No details were immediately available on the baby's sex, name or weight. A rep for Sienna was not immediately available for comment when contacted by Access Hollywood.

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While she remained mum about her impending arrival throughout her pregnancy, Sienna showed off her baby bump back in February, as she hit the red carpet at the "The Ever Changing Face of Beauty" W Magazine opening reception in New York City in a form-fitting black gown.

It was around that same time when Sienna was first spotted with what was rumored to be an engagement ring on her finger.

Sienna and Tom - a fellow actor - have been dating for more than a year.

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In February 2011, Sienna ended her relationship with Jude Law for a second time. The former couple began dating in 2004 and first split in 2006.

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