Johnston also participated in the series ER and Ugly Betty, as well as the film Bride Wars.

Kristen Johnston (The Righteous Gemstones ... ABC’s Ugly Betty, NBC’s ER and Sex and The City from HBO. Her film credits include Austin Powers: The Spy Who Shagged Me, The Flintstones in ...

"She had the best belly laugh in the world," said the 3rd Rock from the Sun actress, who's been open about her own battle with addiction Kristen Johnston is mourning the loss of her sister after a ...