UPDATE: People confirms that Kate is pregnant.
"They couldn't be more excited," a source tells the magazine. "Kate is really happy. She was always excited to have kids again at some point."
PREVIOUSLY: Us Weekly is reporting that Kate Hudson and her boyfriend, Matt Bellamy, are expecting a baby.
"It was not planned, but they are excited and embracing it," a source told Us, adding that Kate is about 14 weeks along.
The actress has been dating the Muse frontman since early last summer. See photos of the couple making out here.
Kate has a son, Ryder, 7, with ex-husband Chris Robinson, who has remarried and had another child. She recently told Elle that she and Matt have no plans to marry.
"It's definitely not something I'm looking for," she said. "But the divorce doesn't put me off. I'll just see what happens."
Read more here and in the new Us Weekly.