Already a customer? Click here to login. Boni's Pre-Cotillion Thu July 18th 5:15-6:30pm Fri July 19th 5:15-6:30pm Sat July 20th 10-11:15am Graduation Ceremony at 11:30am Boni's Main Studio $250 $50 deposit is due at registration, balance will be due on first day of Pre-Cotillion. We're sorry but this event has been reserved. Please review our calendar for another available date and time. Thank you.