From love and marriage to tragic deaths and a shocking prison sentence, a lot has changed for the "That '70s Show" cast since ...

The sitcom lasted for eight seasons starring Topher Grace, Ashton Kitcher, and more. Here's how the stars' ages compared to their characters.

(Clockwise from lower left): Ashton Kutcher as Michael Kelso, Danny Masterson as Steven Hyde, Mila Kunis as Jackie Burkhart, Wilmer Valderrama as Fez, Laura Prepon as Donna Pinciotti, and Topher Grace ...

There was plenty of hype around the spin-off, but "That '90s Show" wasn't able to overcome some major hurdles. This is the ...