Kaitlin Olson and Rob McElhenney are the parents of a son. Again!

The It’s Always Sunny in Philadelphia stars and spouses welcomed Leo Grey McElhenney at 1:15 a.m. on Thursday, April 5 at their home in Los Angeles.

The new addition to the family weighed in at 8 lbs., 5 oz., is 20 inches long and joins big brother Axel Lee, 19 months, who was also born at home in 2010.

“We are overjoyed!” the couple told People in a statement.

Congratulations to the happy family!

[Photo: WENN.com]

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