Uma Thurman Pregnant In A Bikini Hanging Out At The Beach. Uma Thurman is eating for two and showing off her pregnant belly in a teeny black two-piece. The 41-year-old actress celebrated her baby bump in a black bikini on Saturday, enjoying the sand and surf in St. Bart's, and X17 Online has the pictures. Thurman's pregnancy was announced in Life & Style magazine in February and baby will make three for her and boyfriend, Arpad Busson. The "Kill Bill" actress has two other children -- Maya, 13, and Levon, 10 -- with ex-husband Ethan Hawke. www.huffingtonpost.com Video, Arpad Busson, Uma Thurman Pregnant, Pregnant Celebrities, Uma Thurman, Uma Thurman Arpad Busson, Uma Thurman Baby, Uma Thurman Baby Bump, Uma Thurman Baby Girl, Uma Thurman Bikini, Uma Thurman Pregnant Bikini, Celebrity News