Keshia Knight Pulliam, who played youngest child Rudy Huxtable on “The Cosby Show,” and her husband of six months, former NFL player Ed Hartwell, are expecting their first child together.

“Surprise!!! We have a new addition coming soon,” the 37-year-old Pulliam posted on Instagram with a photo of herself holding a pink cupcake bearing a baby decoration.

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Friends she invited to her home for the announcement posted their congratulations.

“Our Sunday Family Dinner turned into a BABY REVEAL!!! #ItsAGirl !!!” wrote pal Tobey Renee, adding, “My Peaches is gonna be a Mommy!! Love you @keshiaknightpulliam and congrats to you and @edhartwell on your baby girl!!! I’m so happy for you!!!”