[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/lp_0.jpg]]

UsefulNotes/NewJersey-native actress born March 7, 1980 in Watchung, New Jersey to a Jewish father and mother Irish Catholic descent.

She best known as Donna Pinciotti on ''Series/That70sShow'' and ''Series/That90sShow'' and Alex Vause in ''Series/OrangeIsTheNewBlack''. Other notable roles include:

* ''Series/HowIMetYourMother'' - Karen
* ''Series/OctoberRoad'' - Hannah
* ''Film/{{Slackers}}'' - Reanna
* ''Series/{{House}}'' - As POTW Frankie, in the episode "Private Lives."
* ''Series/AreYouThereChelsea'' - As Chelsea. The show only lasted one season.
* ''Series/{{Castle|2009}}'' - As Natalie Rhodes in the episode "Nikki Heat".

Prepon is married to actor Creator/BenFoster, and they have a daughter. She also announced in October 2019 that she's expecting another baby. They had a boy in February 2020. Prepon became a [[ChurchOfHappyology Scientologist]] in 1999, like her ''Series/That70sShow'' co-star Danny Masterson, and dated his brother Christopher Masterson. In 2021 she revealed she'd left the church in 2016.
----
!!Related Tropes
* CareerResurrection: ''Series/OrangeIsTheNewBlack.'' In fact, she is arguably now better known for ''Orange'' than she ever was for ''That '70s Show'', with the latter show having become to her what ''Series/MalcolmInTheMiddle'' is considered to Creator/BryanCranston.
* DyeingForYourArt:
** She dyed her red hair blonde during the course of ''That 70s Show'', in preparation for her role in ''Film/{{Karla}}''.
** Most recently, she dyed it black for ''Series/OrangeIsTheNewBlack''.
* StarMakingRole: ''Series/That70sShow''.
* StatuesqueStunner :
** At 5'10", she is quite tall. On ''Series/That70sShow'', this led to many [[OneHeadTaller comparisons]] to [[Creator/MilaKunis Jackie]].
** Her height is also remarked on as a kind of RunningGag on ''Series/OrangeIsTheNewBlack''.
----