Hunter and her boyfriend British actor Gordon MacDonald will be first-time parents when the babies are born during the winter, Hunter's representative told E! Online.
Hunter and MacDonald met when they played lovers in London's West End production of "By the Bog of Cats" last year.
There was no word on whether Hunter and MacDonald plan to marry, E! said.
Notable deaths of 2014 [PHOTOS]
Amber Rose declares her love for Wiz Khalifa