The dress code for the Natalie Dance academy includes the following mandatory elements:

1. Hair: Everyone must tie their hair back into a bun to avoid interference during classes.
2. Jewelry: Wearing jewelry is prohibited to prevent injuries during class activities.
3. Leotard: A blue branded leotard is part of the academy's uniform, must be worn.
4. Bottoms: Black shorts or leggings should be worn with the leotard for comfort and freedom of movement.
5. Footwear: Comfortable ballet flats suitable for dancing should be worn on the feet.

All the listed dress code items can be purchased at the academy's reception. This ensures convenience and accessibility of the necessary gear for all students.