Pop singer Pink just welcomed her son into the world! She gave birth to a healthy baby boy on Monday, December 26th. She and husband Carey Hart named their son Jameson Moon Hart, and the happy couple shared pictures of the baby boy on instagram. In one post, Hart is holding the baby, and Pink wrote: "I love my baby daddy." The couple already have one daughter together, a five year old girl named Willow Sage Hart. In previous interviews, Pink has said how much she loves being a mom.