Kristen Johnston

Kristen Angela Johnston (born September 20, 1967) is an American actress. Best known for her work on television sitcoms, she twice won the Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series for her role as Sally Solomon in ''3rd Rock from the Sun''. She starred as divorce attorney Holly Franklin on ''The Exes'', and as recovering addict Tammy Diffendorf on ''Mom''. She has also appeared in the films ''Austin Powers: The Spy Who Shagged Me'' (1999), ''The Flintstones in Viva Rock Vegas'' (2000), ''Music and Lyrics'' (2007), and ''Bride Wars'' (2009).

Her memoir ''Guts: The Endless Follies and Tiny Triumphs of a Giant Disaster'' (2012) was a ''New York Times'' best-seller''.'' Through her nonprofit organization SLAM, she works as an advocate for sober high schools. Provided by Wikipedia