Kaitlin Olson 'ran into a wall,' got black eye on first day of filming for 'It's Always Sunny in Philadelphia'

Kaitlin Olson 'ran into a wall,' got black eye on first day of filming for 'It's Always Sunny in Philadelphia'

"It's Always Sunny in Philadelphia" began filming for its 16th season on Thursday. Series co-creator Rob McElhenney said his wife and co-star, Kaitlin Olson, got a black eye after she "ran into a wall" ahead of the start of filming. McElhenney shared a photo of Olson with a shiner. Olson has a history of serious injuries, including a fractured skull she suffered in a bicycle accident when she was 12 years old.