5th annual Believe in Yourself Dance Competition. RIGBY, Idaho (KIFI/KIDK) - On January 24 and 25, the 5th annual Believe in Yourself Dancers Challenge will be held at Rigby High School. This year, there will be 481 athletes. Their families and friends will spend Friday night attending the Miss BYDC soloist competition. There are 65 competitors competing for the Miss BYDC title. Source 2l.