♪ and she's dancing like she's never danced before ♪ >> she was a sexy welder who danced at night but didn't take her clothes off. >> what's a dancer doing working >> as a welder? >> a girl's got to make a living. >> jennifer beals was amazing in that movie. she was everything. she was beautiful, she was strong and she was sexy. >> it really benefited from the beginnings of mtv because you would see videos from the songs >> from the "flash dance" soundtrack on mtv all the time. ♪ what a feeling. >> that was the thing where the video was very much a trailer for the movie, and you can tell the movie was really designed with the video in mind. >> let's dance! ♪ >> kenny loggins, "foot loose" that wag was a huge hit. it was all over mtv. you watch the video. are you seeing kenny loggins in