Heath Ledger, Michelle Williams: Baby Due
04/21/2005 AT 04:00 PM EDT
Williams, 24, has been spotted attending prenatal yoga classes in Australia.
A rep for Williams has "no information" on baby news. Ledger's spokesperson couldn't be reached for comment.
Ledger, 26, who's next due to appear in the skateboard film Lords of Dogtown, split from actress Naomi Watts in April 2004. He and Williams costar with Jake Gyllenhaal in another upcoming film, Ang Lee's cowboy tale Brokeback Mountain.