It’s a second son for Kaitlin Olson and Rob McElhenney!
The It’s Always Sunny in Philadelphia costars welcomed Leo Grey McElhenney at 1:15 a.m. on Thursday, April 5 at their home in Los Angeles, they tell PEOPLE exclusively.
“We are overjoyed,” the Unsupervised actress, 36, and McElhenney, 34, tell PEOPLE in a statement.
The couple married in Malibu in September 2008.
– Alla Byrne with reporting by Jennifer Garcia