'It's Always Sunny In Philadelphia' Stars Kaitlin Olson & Rob McElhenney Welcome Second Son
Married It's Always Sunny in Philadelphia stars Kaitlin Olson and Rob McElhenney are celebrating after becoming parents again.
Actress Olson gave birth to little Leo Grey McElhenney early on Thursday at the couple's home in Los Angeles.
Olson and McElhenney wed in 2008 and welcomed son Axel Lee in 2010.
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