Keshia Knight Pulliam, who played Rudy on The Cosby Show, is expecting her first child with husband Ed Hartwell.

Pulliam, 37, revealed the good news in an Instagram post on Monday. "Surprise!!! We have a new addition coming soon," she captioned a photo of herself holding up a cupcake with pink frosting. The actress, who became the youngest Emmy nominee at the age of 6, also told her followers to listen to her podcast, Kandidly Keshia, for more details about her pregnancy.

This is the first child for the Splash alum and the second for Hartwell. The former NFL player was previously married to Real Housewives of Atlanta's Lisa Wu, with whom he shares a son, Ed Jr.

Surprise!!! We have a new addition coming soon... Tune into #KandidlyKeshia this week for the details!!

A photo posted by keshiaknightpulliam (@keshiaknightpulliam) on