Today, I found this great article on the Royal Ballet website discussing ballet in pop. And below are a couple of more contemporary examples featuring Royal Ballet dancers, Edward Watson and Elizabeth Harrod.
Elizabeth Harrod in Keaton Henson's "To Your Health"
And here's one more, featuring Alessandra Ferri of the American Ballet Theatre:
Alessandra Ferri and Sting: 'Prelude' from
"Cello Suite No. 1 in G major" by JS Bach