Luyendyk and Burnham announced Burnham's pregnancy in November.
"Nothing compares, absolutely nothing compares to the moment you find out you're going to be a dad! We cried, we laughed and it really was such a special moment for us, we're so freakin' happy!" Luyendyk said on Instagram.
In addition, Luyendyk told People he and Burnham are "so excited" to become parents.
"It's going to be a whole new chapter in our lives," he said.
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