The Backstreet Boys' Kevin Richardson is now a proud father of two! The singer, 41, announced on Facebook that his wife Kristin Willits, 42, gave birth at 3:05 a.m. on Wednesday, July 10. "Maxwell Haze Richardson decided to join the party," Richardson wrote. "He is a stout 9 lbs., 8 oz. / 23 inches long. Love! Love! Love!"

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The couple, already parents to 6-year-old son Mason, met in 1993 and have been married since 2000. Richardson announced his wife's pregnancy via Twitter on Apr. 14.

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This will be the sixth child born to a member of The Backstreet Boys: Brian Littrell has one son, Baylee; AJ McLean has one daughter, Ava; and Howie Dorough has two sons, James and Holden. Nick Carter, who has no children, proposed to fitness expert and actress Lauren Kitt in the Florida Keys on Feb. 20.

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The Backstreet Boys are in the midst of the In a World Like This Tour. They will next perform on Aug. 2 at the Charter One Pavilion in Chicago.

This article originally appeared on Kevin Richardson's Wife Kristin Willits Welcomes Son Maxwell Haze