looking for classic movie title

sorry if this is in the worng forum but i have joined to ask this question i have tried everywhere and no one can help

well ive tried with little things before and they have been id but im struggling here and if any folks can then you can
i can only remember 1 scene and it was a a blond lady in a pink liatard doing aerobics in the middle of a room and another lady come in with her boyfriend in a black dress and high heels

she walks past the aerobics lady and into another room where a girl is having sex

she makes a comment about them having sex and proceeds to walk back to where she came from and then takes off the ladys liatard and they make out while the boyfriend watches she ends up putting a strap on and doing her there

it was a great movie but can remember the name

anyone???????

what sort of era are we talking about here mate? cheers.
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i think its 80s but could be 90s saw it on vhs ages ago tape broke and never saw it since

Okey doke, two movies here, if it isn't them then I don't know, couple of screenshots here.

Below is 1990 film - Where the Girls Sweat #1



Or... Where the Girls Sweat #2 - 1991



Failing that all I can think of is Aerobics Girls Club, late 80's



These are 80's/very early 90's flicks I can think of, did the rest of the film have a 'fitness' theme to it?
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