As "Kitty Forman", Debra Jo Rupp really excelled on That 70's Show alongside her husband "Red" (Kurtwood Smith) and her son "Eric" (Topher Grace). But, of course, the role on the popular NBC sitcom was not her first role on the small or big screen.

RELATED NEWS: That 70's Show Star Laura Prepon - Where Is "Donna" Now?

"Kitty Forman" on That 70's Show: Debra Jo Rupp's biggest role

Rupp started her acting career in the 1980's and mainly did stage productions in and around New York City. After some smaller guest roles on TV, she had a recurring role on the sitcom Davis Rules as "Ms. Higgins" and also appeared in shows like BlossomFamily MattersL.A. Law, and ER.

The year 1998 marked the start of the most successful phase of Debra Jo Rupp's career when she started playing "Kitty Forman" on the NBC sitcom That 70's Show. The show also starred the likes of Mila Kunis, Ashton Kutcher, Wilmer Valderrama and Laura Prepon and was nominated for 16 Primetime Emmy Awards.

After the show ended in 2006, Rupp had a bunch of guest spots on different TV shows. She also appeared in the hit comedy movie She's Out Of My League in 2010. Her most recent notable part was a recurring role in the Netflix show The Ranch, alongside Sam Elliott and an old acquaintance: her former That 70's Show co-star Ashton Kutcher.

Debra Jo Rupp has never been married

Debra Jo Rupp mainly splits her time between Massachussetts and Los Angeles. The successful actress has never been married and has no children.

Kurtwood Smith and Debra Jo Rupp

He has an amazing voice acting résumé!

'That 70's Show': This Is Kurtwood Smith Today

How has Phil Collins changed?

Phil Collins: His Career Then & Now