The sounds of Pyotr Tchaikovsky's “Waltz of the Flowers” have become a holiday standard, but this family favorite began as a dance of rebellion, embraced by teens and sneered at by parents.

And in "Waltz of the Flowers." And as a Mirlipoo, ... "We're running around backstage changing costumes the whole show," says Shivers, who joined the company in 2010.