You will most likely be seated or kicked out of class if you show up to a professional ballet company class without your attire. The reason for wearing this outfit is so that the instructor and dancer can see their body lines and easily correct any mistakes the dancers make and have a better understanding of their body shapes when working on the barre or crossing the floor with combinations. On the one hand, wearing dance clothes is a great way to correct your mistakes, but on the other hand, is it too much? There is an article written by Brena R. Price and Terry F. Pettijohn ii in which they address the issue of "The Effect of Ballet Dancewear on Dancers' Bodies and Self-Perception." (4) In the article they mention that the use of mirrors and ballet outfits hinders a ballet company's performance in the classroom. Since most ballerinas spend hours and hours criticizing themselves and themselves, it can cause mental problems such as eating disorders and lack of self-confidence. The reason this is said is because it shows unnecessary pressure on a dancer, which can cause them serious problems down the line..