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OTRC: Pink, Carey Hart welcome baby girl, Willow Sage

Pink, 31, and her husband Carey Hart, 35, expecting their first child, Us Weekly reported on Nov. 10, 2010, although the singer has not commented. (twitter.com/PINK)

Pop singer Pink and husband Carey Hart welcomed a new baby girl Thursday evening.

Both the Grammy winning singer and Hart tweeted the birth around 8 p.m. PST.

"We are ecstatic to welcome our new beautiful healthy happy baby girl, Willow Sage Hart," said Pink's Twitter page. "She's gorgeous, just like her daddy."

This is the couple's first child.

Pink and Hart, a motocross racer, married in Costa Rica in 2006 and announced in 2008 they had split, but never separated legally. The singer later confirmed in May 2010 that she and Hart were back together.

Pink officially announced her pregnancy on "The Ellen DeGeneres Show" in November 2010. "I'm eating for two these days," Pink told the talk show host. "I worked for it. It was not an 'oops.'"