What is a ballerinas dress called?

Answer 1

I'm pretty sure that they are all just called 'tu-tu's'

Answer:

The tutu is the dress most often associated wth Ballet: These short dresses became popular after the Victorian era when women were allowed to show their legs. There are several types:

* The Romantic Tutu reaching the calf or lower

* The classical bell tutu with a slight bell shape * The classic tutu which comes straight out from the hips

Answer 2

You are probably referring to a "tutu."