Kaitlin Olson is known for her role as Deandra "Sweet Dee" Reynolds on the TV sitcom "It's Always Sunny in Philadelphia (FX: 2005-2012, FXX: 2013-)".

She played Mackenzie "Mickey" Molng on the Fox TV sitcom "The Mick (2017-)".

Some other TV shows she appeared on are "Meet the Marks", "Miss Match", "Significant Others", "The Drew Carey Show", "Goerge Lopez", "Out of Practice", "The Riches", "Curb Your Enthusiasm" and "New Girl".

She appeared in movies like "Jacks (2000)", "Weather Girl (2009)", "Leap Year (2010)", "Held Up (2010)", "The Heat (2013)" and "Vacation (2015)".

Happy Birthday!