Melissa Crystal O'Neil is a Canadian singer, musical theatre and TV actress from Calgary, Alberta, Canada.
She is of Canadian and Chinese descent. Melissa was the winner of the third season of Canadian Idol in 2005. She was the first Canadian female winner. She then signed a recording contract with Sony BMG Canada and released her first single "Alive", which hit stores on October 4, 2005 and debuted at number one on the Canadian singles chart, a position it held for four weeks. The single went on to be certified four-times platinum by the CRIA.