[2][3] Crittenden was married to fellow writer Jace Richdale for three years; they separated in 1998.

[6] Crittenden's only writing experience before that had been as an intern on the Late Show with David Letterman.

[2] Crittenden also worked on The Drew Carey Show,[7] as a consulting producer on Arrested Development, and as a writer and co-executive producer on the CBS series The New Adventures of Old Christine.

[8][9] For her work, Crittenden has won two Humanitas Prizes and has earned five Emmy Award-nominations: four for "Outstanding Comedy Series" (Seinfeld in 1998 and Everybody Loves Raymond in 2000, 2001, and 2002) and one for "Outstanding Writing for a Comedy Series" (Everybody Loves Raymond in 2002).

[11][12] The two have a multi-show deal with ABC; their first project will focus on "a 'super cool' 1990s all-girl band who, after 20 years of bad blood, tries to reunite though they’re no longer girls and no longer cool.