Rob McElhenney and Kaitlin Olson, the married co-stars of "It's Always Sunny in Philadelphia," have started letting their two sons, ages 13 and 14, watch the show – with supervision. "We really make a ...

As the story goes, Rob first spotted Kaitlin during an episode of Curb Your Enthusiasm. The actress was portraying Becky, Larry’s sister-in-law, when her eventual costar first noticed her on screen.

All about the coworkers who became a happy couple for almost two decades!

LOS ANGELES — Rob McElhenney, star of “It’s Always Sunny in Philadelphia,” has filed to legally change his name to Rob Mac. McElhenney, 48, said he made the move to simplify pronunciation as his ...

The origin story of It's Always Sunny in Philadelphia is a lesson in chuztpah and initiative. Three friends and aspiring actors -- Rob McElhenney, Glenn Howerton and Charlie Day-- made a pilot as a ...