Beverly Hills 90210: Though one of the most memorable moments of this series' 10-year run was when Brenda and Kelly showed up to the Spring dance wearing the same off-the-shoulder LBD, it was the cast's beachier looks that set the standard.
Charlie's Angels: Kicking ass never looked so good as when these angels did it in decadent '70s garb.
The Partridge Family: Whether they were wearing matching onstage costumes or marching to their own beat, this family taught us how to get groovy.