Olivia Newton John was a goddess
in the 80s. She was beautiful, sang fabulous songs (while
the Grease movie/soundtrack technically came out in the 70s - it
was close enough) and starred in some classic movies of the
One of her best albums,
featured its title song and one heck of a great music video.
The Let's Get Physical costume idea is an homage to the 80s
obsession with "work out" gear - this was the era of Jane Fonda
as work out guru after all and the start of the work out tape
(VHS and Beta naturally).