Jack Osbourne and his wife are expecting their second child.

The couple, who already have two-year-old daughter Pearl together, broke the news online.

Jack’s wife Lisa wrote on her lifestyle blog: "I’m pregnant! Pearl is very happy to become a big sister. She diligently reads her “I’m a big sister” books every night & recites to me her plans of bathing, feeding, singing to, and holding the baby.

“We are more than halfway through this thing & are very excited to be parents again!”

“Thanks for all the well wishes :)", she added.

Jack confirmed the news on his own Instagram with an adorable snap of his glowing wife and the couple’s little girl,Pearl.

“Supprise!!!!! #round2 #babyinbound”, he captioned the photo, with mum and daughter both sporting beaming smiles.

Congratulations Jack and Lisa!