PinkSinger Pink gave birth to a healthy baby girl named Willow Sage Hart on Thursday.

Pink shared the happy news on Twitter by saying, "We are ecstatic to welcome our new beautiful healthy happy baby girl, Willow Sage Hart. She's gorgeous, just like her daddy. #beyondblessed."

This is the first child for the 31-year-old singer and her husband, Carey Hart.

A very pregnant Pink was photographed walking into Cedars-Sinai Medical Center at 12:30pm with Hart on Thursday.

There had been a lot of speculation that the singer would give birth on Thursday based on a cryptic tweet she posted late Wednesday which said, "New Moon in Gemini today :) a good time to start something new.... Also called the Honey Moon. #intoit."