March 01, 2012 02:00 PM

Susan Waters/Startraks

With her third child on the way, Uma Thurman stepped out Tuesday in New York City, debuting her baby belly in a fitted dress, multi-colored scarf and black boots.

The actress, who will next appear in a five-episode arc on NBC’s Smash, was reportedly visiting her obstetrician for a prenatal checkup.

The new addition will be 41-year-old Thurman’s first child with beau Arpad Busson, whom she’s been dating since 2007. The pair were engaged, briefly split, and then reunited in 2009.

The Kill Bill star is already mom to son Levon, 10, and daughter Maya, 13, with ex-husband Ethan Hawke.

— Sarah Michaud

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