JZ, I'm glad that your daughter is taking ballet
Ballet is amazing for grace and fluidity of motion. If you study it long enough (I'd say 5-7 years minimum), the fluidity of whatever you do never leaves. It becomes part of your essence and what makes you "you".
It also develops fantastic proprioception. I think most dance forms do that, though
I haven't done any ballet for over 30 years. People still comment on how I walk, how I dance, how I move, and how I hold myself. Nobody believes I'm only 5'4". Most people think I'm 5'7" minimum

That's part of the optical illusion ballet gives a person