In Grease (1978), when Frenchie is talking to Vi right before "Beauty School Dropout", Vi misses the light switch but the lights turn off anyways. : r/MovieDetails
Grease: Didi Conn as Frenchy – Girls Do Film
Didi Conn | Cameo
Film Frenchy Didi Conn Will Appear in Fox's Grease: Live | TheaterMania
Didi Conn returns to Frenchy's bedroom as Grease turns 40 - and the Pink Ladies jacket still fits - Irish Mirror Online