1 of 3 | Emmy Raver-Lampman and Daveed Diggs are expecting their second child. File Photo Jim Ruymen/UPI | License Photo

July 9 (UPI) -- Former Hamilton and Central Park co-stars Emmy Raver-Lampman and Daveed Diggs have announced they are expecting their second child.

"Our little family is growing! full disclosure, our household is being held together by the delicate balance of yogurt pouches, water balloons and a prayer but we are utterly overjoyed to be adding this tiny human to the chaos!" Raver-Lampman wrote in a recent Instagram post.

"This little one has a big brother who can't wait to 'read books, play trains, have milkshakes and listen to Kendrick' with them! our hearts couldn't be fuller and the bags under our eyes couldn't be bigger! we can't wait to meet you little one!"

The post included a photo of Raver-Lampman showing off her baby bump and laughing, while Diggs smiles at their son who is standing on a bar in their home.