Matthew Bellamy and Kate Hudson

Kate Hudson and her boyfriend, Muse rocker Matthew Bellamy, are expecting a baby, People reports.

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"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."

Hudson has a 7-year-old son, Ryder, with ex-husband Chris Robinson. The one-time Oscar nominee is 14 weeks' pregnant, according to Us Weekly, which first reported the news.

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Hudson, 31, and Bellamy, 32, have been dating for nine months. She previously dated Owen Wilson, who is also expecting a baby with his girlfriend, Jade Duell.

An e-mail to Hudson's rep was not immediately returned.