Well, it’s official: Chelsea Clinton and her husband Marc Mezvinsky are expecting! Grandparents-to-be Bill and Hillary couldn’t be happier:

Also sending warm wishes is Jenna Bush Hager, daughter of George W. Bush and proud mother of the adorable Mila:

Classy and awesome.

Childbirth is indeed a miracle worth celebrating.

Motherhood is a blessing. Congratulations to Chelsea and her growing family.