Kate HudsonKate Hudson is pregnant with her second child, reports Us Weekly.

A source close to the actress claims she is expecting with her boyfriend, Muse frontman Matt Bellamy. The two have been dating for nine months, according to PopEater.

"It was not planned, but they are excited and embracing it," says the source.

The new addition will join big brother Ryder, 7, whose dad is Hudson's ex-husband, Black Crowes rocker Chris Robinson.