Athoff Catholic High School Presents "Denim & Diamonds" Gala and Auction Saturday, March 7th, 2026 The Regency O'Fallon 400 Regency Park, O'Fallon, Illinois 6:00 p.m. Cocktails | 7:00 p.m. Dinner 8:00 p.m. Program and Live Auction Followed by Live Entertainment by Dueling Pianists, Felix and Fingers $100.00 per person | $800.00 per table Denim and Diamonds Dress Attire R.S.V.P. by February 16, 2026 by visiting https://althoffcatholic.ejoinme.org/gala2026