The audience gave an ooooooooh of appreciation as the ballerina in the frilly net skirt and tippy toe shoes- Hold the phone! Hey... what?
If you intend to write about a particular subject in your novel, know what you are talking about or study it. If the book/chapter/paragraph involves, for example, ballet, research dance terminology and get it right. Google the info you need, and if you are not absolutely sure, talk to an expert.
Ballet slippers, ballet flats, toe shoes, pointe shoes? Did she leap, jete, grand jete, scissone? Maybe it does not matter for the purpose of the story, but sure as eggs anyone who has an interest in the subject will pick up on your errors. And then they will tell everyone else. And they will write a scathing review.
Sometimes even your best attempts can go awry. Best idea is, if you are not entirely confident, don't write about it.