Kelly Clarkson is an American singer-songwriter who first gained prominence as the inaugural winner of the reality TV show "American Idol" in 2002. Her music spans pop, rock, and soul, featuring a distinctive vocal range and emotive delivery. Clarkson's most influential works include her debut single, "A Moment Like This", and her second album, "Breakaway", which produced hit singles such as "Since U Been Gone" and "Behind These Hazel Eyes". She has made significant strides in the music industry, earning numerous awards including three Grammy Awards, and is regarded for helping to shape the sound of mainstream pop music in the early 21st century.