Sienna Miller: Baby Bump on 'Case of You' Set!

Sienna Miller shows off her baby bump as she hits the set of her new movie, A Case of You, on Friday (February 17) in New York City.

The 30-year-old English actress, who’s newly engaged to Tom Sturridge, is expecting her first child.

PHOTOS: Check out the latest pics of Sienna Miller

A Case of You also stars Evan Rachel Wood and Justin Long.

The story, written and produced by Justin, tells the story of a young writer who tries to impress a girl he meets online with an embellished profile, but finds himself in a real mess when she falls for him and he has to keep up the act.