Kaitlin Olson and Rob McElhenney are parents to two children, sons Axel and Leo. Here's everything to know about Kaitlin ...

Actor Rob McElhenney and his wife Kaitlin Olson were co-stars long before they became love interests. It all started in 2002 when Rob developed a crush on Kaitlin but admitted he thought she was ...

Kaitlin Olson and Rob McElhenney are still married and have been for almost 15 years. The It’s Always Sunny in Philadelphia costars first met in 2005 during the audition process for the show.

Rob McElhenney and Kaitlin Olson started falling in love in season 2 For starteres, McElhenney actually wasn't all that impressed with Olson's audition for the role of Sweet Dee.

McElhenney’s wife and It's Always Sunny in Philadelphia costar, Kaitlin Olson, is every bit as emotionally invested in the Welsh team.

Rob McElhenney and Kaitlin Olson, who famously play Mack and Dee on the series, were recently hit with cheating rumors. Their responses help clear things up... well, sort of.

Married couple Kaitlin Olson (Emmy nominated in guest comedy actress for "Hacks") and Rob McElhenney (Emmy nominated in unstructured reality as an EP on "Welcome to Wrexham”) talk about Olson ...

McElhenney, 44, chronicled a sweet journey on social media this week after he and wife Olson, 45, found a stray dog in L.A. and ended up bringing him back to his family.

Rob McElhenney admitted it really didn’t make any sense for the jacket to go from Princess Di to Kylie Kelce to “a dude,” and he and Kaitlin Olson decided to make it a nice round $100,000 to ...

Rob McElhenney And Kaitlin Olson Hid Their Romance From Their ‘It’s Always Sunny’ Cast Mates For A Year Dustin Rowles Entertainment Features Twitter July 25, 2018 Getty Image ...

It’s Always Sunny in Philadelphia costars Kaitlin Olson, 36, and Rob McElhenney, 34, welcomed son Leo Grey April 5 at their home in L.A. and four days later, the couple posted the very first pic ...