Is Kristen Bell set to be Hollywood's next hot mama!? A source close the actress and her fiance Dax Shepard tells People that the couple is expecting their first child!

Of course, baby news from this longtime duo isn't too far off our radar, considering they've made it clear in the past that they want to start a family soon -- even if it's before a wedding! Both Kristen and Dax are adamant about holding off on a wedding until same sex marriage is legalized in California (their home state).

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"They're so excited," the source reveals. "They can't wait to become parents."

Despite the pregnancy reports, Kristen is still working on filming the second season of her show House of Lies, while Dax is keeping busy on the set of Parenthood.

Do you believe Kristen Bell could be preggers?!

Photos Courtesy of: Fame/Flynet