David Cook (born December 20, 1982) is an American rock singer-songwriter best known for winning the seventh season of the Fox reality television singing competition American Idol. He appeared on Saturday Night Live as a musical guest on November 1, 2008 where he performed "Light On" and "Declaration." He is the third American Idol winner to appear on SNL after Kelly Clarkson and Carrie Underwood.

Community content is available under CC-BY-SA unless otherwise noted.