Early life

Ellis was born in Laurel, Mississippi. She graduated from Southern Methodist University in 2002.

Career

Ellis has appeared in a number of television series, including Cold Case, Without a Trace, House, Happy Endings, New Girl, and Reno 911!. She is best known for her role as The Waitress on the FX comedy series It's Always Sunny in Philadelphia.

In 2008, she co-wrote and starred in the independent film A Quiet Little Marriage. Ellis and Artemis Pebdani wrote and starred together in the stage show Mother May I Dance with Mary Jane's Fist?: A Lifetime Original Play at the Upright Citizens Brigade Theater in Los Angeles, California. In addition, Ellis and Pebdani are members of the Los Angeles-based performance group Discount Cruise to Hell.

Ellis was a series regular on the NBC romantic comedy series Perfect Couples, which ran for one season in 2011. Ellis also stars in The Lonely Island's music video for the song "Diaper Money".

Personal life

Ellis married her It's Always Sunny in Philadelphia co-star Charlie Day on March 4, 2006. Their first child, a son named Russell Wallace Day, was born on December 15, 2011.

Filmography

Film

Year	Title	Role	Notes
2008	A Quiet Little Marriage	Olive	Co-writer
2009	Pulling	Karen
2014	The Last Time You Had Fun	Alison
2015	The Truth About Lies	Sharon
2015	The Last Time You Had Fun	Allison
2016	Masterminds	Michelle Chambers

Television

Year	Title	Role	Notes
2004	Cracking Up	Jennifer	Episode: "Panic House"
2004	Reno 911!	Inbred Twin	Episode: "Not Without My Mustache"
2005-present	It's Always Sunny in Philadelphia	The Waitress	25 episodes
2006	House	Sophie	Episode: "Que Será Será"
2007	Without a Trace	Sally Price	Episode: "Skin Deep"
2009	Old Friends	Portia Bridges	Episode: "Introductions"
2009	Cold Case	Shelly Reid	Episode: "Lotto Fever"
2011	Perfect Couples	Amy	11 episodes
2011-2014	New Girl	Caroline	6 episodes
2012	Georgia	Georgia	3 episodes
2012	Up All Night	Connie Chafin	2 episodes
2012-2013	Happy Endings	Daphne Wilson	2 episodes
2013	The Millers	Debbie	Unaired pilot
2013	Brooklyn Nine-Nine	Dr. Rossi	Episode: "M.E. Time"
2014	Comedy Bang! Bang!	Network Executive	Episode: "Fred Armisen Wears Black Jeans & Glasses"
2015	Drunk History	Dorothy Fuldheim	Episode: "Cleveland"
2015-2016	The Grinder	Debbie Sanderson	Main role

Stage

Year	Title	Role	Venue
2001	The Tempest	Ariel	PCPA Theaterfest

[ Source: Wikipedia ]