New Baby of the Day

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It's Always Sunny In Philadelphia's Kaitlin Olson and Rob McElhenney have welcomed a new son to their family.

Early this morning, Leo Grey McElhenney was born, weighing in at 8 pounds and 5 ounces. "We are overjoyed," said the couple in a statement to People.

Olson and McElhenney are already parents to 19-month-old son Axel Lee. The two actors have been married since 2008.