This marks Heigl's first pregnancy, and she revealed when they're expecting the new addition.
The couple's rep confirmed the news to PEOPLE.
Bledel's 'Gilmore Girls' co-star Scott Patterson spilled the news during a recent interview.
The 21-year-old singer-activist is expecting her first child with her husband, who is 34 years her senior.
"Our new love is here," Chrissy gushed on Instagram.
Lively is reportedly pregnant with baby No. 2, according to a source close to the former Gossip Girl actress.
The singer first revealed her pregnancy during an emotional 'Piece By Piece' performance in August 2015.
And the baby's name is...
From Celine Dion to Halle Berry, here are 25 stars who grew their family a little later in life.
Prinsloo is reportedly pregnant with the couple's first child.