Mary Elizabeth Ellis (born May 11, 1979) is an American actress. She is best known for her role as The Waitress on the FX sitcom It 's Always Sunny in Philadelphia. She has also starred in the NBC sitcom Perfect Couples and the Fox sitcom The Grinder. She also starred as Nick 's ex-girlfriend in the series New Girl. Mary plans to open her next business venture, "Finger Fantasy '' an all inclusive nail salon, on the outskirts of Philadelphia late 2019.
who plays the waitress on it's always sunny in philadelphia
Mary Elizabeth Ellis