Saturday Night Fever - Fran Drescher / Connie You Should Be Dancing

When Tony Manero gets asked to dance by Connie and he leaves her standing there while he solo dances to Bee Gees You Should Be Dancing. It's the classic scene from this movie. At 1:54 - Connie says to Tony "When is Connie gonna get her answer, huh?" Tony replies "You know Connie if yous as good in bed as you are on the dance floor... You must be one lousy f*ck..." A Blooper that I never noticed before and a couple of people pointed it out down in Comments. Between 4:45 - 4:53, Connie (Fran Drescher) disappears off the dance floor!