Credit: Maury Phillips/

She's got the right stuff!

Joey McIntyre and wife Barrett officially became parents to three -- welcoming their very first daughter -- on Tuesday afternoon in California.

"Kira Katherine McIntyre was born May 31st at 12:30 pm PST. 7 lbs., 3 oz., 21 in.," the NKOTB singer and actor, 38, Tweeted. "A beautiful baby girl with great timing and gorgeous hair,"

The couple already have two sons: Griffin Thomas, 3, and Rhys Edward, 17 months.

McIntyre and Barrett have been married since 2003. He announced the gender of his third child mid-May during the NKOTB Carnival Cruise. McIntyre and his bandmates are in the midst of a joint tour with the Backstreet Boys.