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Uma Thurman is going to be a mama . . . again. The 41-year-old actress and her boyfriend, financier Arpad Busson, are expecting, her rep told People. The "Kill Bill" actress has two children with her ex-husband Ethan Hawke: daughter Maya, 13, and son Levon, 10.

SODAHEAD SLIDESHOW: See the hottest celebrity moms over 40. 

Hawke has also moved on since the couple divorced in 2004, infamously marrying the nanny he employed while married to Thurman, Ryan Shawhughes, and having two children with her: Clementine, 3, and Indiana, 6 months.

But Thurman is far from the first celeb to conceive a child after age 40. In 2008, Halle Berry gave birth at age 41 to her daughter, Nahla, with then-boyfriend Gabriel Aubry. In 2007, Salma Hayek gave birth to her baby girl, Valentina, at age 41. And last April, 41-year-old Mariah Carey gave birth to twins, Moroccan and Monroe, with her husband Nick Cannon.

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From Uma to Halle to Salma, let us know: Who's the hottest celeb mom over 40?