Maurizio La Pira / Splash News
Caitlin Petreycik
Jan 30, 2012 @ 10:45 am

Congratulations, Sienna Miller! The actress and her boyfriend Tom Sturridge are expecting their first child, the Telegraph reports. In related news, Sienna and her sister Savannah Miller recently stepped down as co-creative directors of their Twenty8Twelve clothing line, although Savannah tweeted today, "just for the record we didn't step down at twenty8twelve because of our babies." See more stylish moms-to-be in the gallery!

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