Kelly Clarkson in Very Sexy Pose wallpaper. Kelly Brianne Clarkson (born April 24, 1982) is an American pop rock singer, songwriter, and occasional actress. Kelly Clarkson made her debut under RCA Records after she won the highly publicized first season of the television series American Idol in 2002. Kelly Clarkson was originally marketed as a pop musician with her debut album Thankful (2003). With the release of her multi-platinum second album Breakaway (2004), Clarkson moved to a more pop rock-oriented style of music, and won two Grammy Awards.