Wynonna is joining several celebrities in helping celebrate Who Wants to be a Millionaire’s 10^th anniversary. Wynonna, along with Snoop Dogg, Shawn Johnson, Rachael Ray and Sherri Shepard will answer one question each worth $50,000 for their charity of choice. Wynonna will be playing for Backpack Mission Ministries. Regis will be back for this two week celebrity event starting August 9^th on ABC.