By Caitlin Petreycik
Updated Feb 28, 2012 @ 11:40 am
Credit: Jamie McCarthy/Getty

Congratulations, Uma Thurman! The actress and her boyfriend, financier Arpad Busson, are expecting a baby, CBS reports. Their little one will be joining a big family, as the 41-year-old has a son and a daughter with her ex-husband Ethan Hawke, and Busson has two sons with his previous partner Elle MacPherson. See more stylish moms-to-be in the gallery.