"The Duke has landed" -- that's the tweet proud new dad Bill Rancic posted to announce the birth of his son, Edward Duke.

His wife Giuliana was the first one to hold the baby boy, who was born late Wednesday night. The couple has been very open about their decision to have another woman carry their child due to their infertility troubles -- and they're not the only celebrities to do so!

Check out the gallery above to see more celeb parents who have used surrogate moms to bring their children into the world!