Whenever I run into a clip like this I want to know more. And in this case most of the info was in Italian.
Heather Parisi (1960) is a media star in Italy. Heather dances, sings and acts. I don’t know about the quality of those three, but since Aerobics was a big thing in the late 70s and she pulls it off nicely it is safe to say that she’s a dancer. She starred in numerous movies and tv-series from 1979 untill now! Her site can be found here.
This clip is a video from the single ‘Disco Bambina’ from 1979. And the above info does NOT make this bearable!