American Graffiti was one of the first films to use rock 'n' roll to tell its story. The soundtrack boasts some of the biggest musical stars of the '50s and '60s. In this special Where Are They Now? checks in with some of the soundtrack artists and see what they've been up to in the last 25 years.
We also catch up with the cast, including Richard Dreyfuss, Cindy Williams, MacKenzie Phillips, Kathleen Quinlan, Ron Howard, Harrsion Ford and Suzanne Somers.
Find out where they were then, and what they're up to now.