Hilary Duff and hubby Mike Comrie welcomes a babyboy...

The singer and actress, 24, and her hockey player husband, 31, welcomed a son, Luca Cruz Comrie, on March 20. (Duff used the social networking site to break the big news herself on Thursday.)


"Welcome to the World Luca Cruz Comrie!" she tweeted . "Tuesday evening, we became proud parents of a healthy 7 pound 6 ounce beautiful boy." 

Three days after Luca's birth,Hilary says,"Wow I can't believe I have a baby!" she told her Twitter  followers on Friday. "Luca is the most wonderful, sweet adorable baby!"

Proud papa Comrie chimed in on the virtual conversation, too. "Welcome to the world Luca Cruz Comrie," he tweeted. "Can't express my feelings for you right now!"

Congrats!!