Kelly Clarkson - American Idol
Kelly Clarkson is the first-ever winner of American Idol which is huge! Not only did she win, but she had the talent to continue prospering off of her win. Her career was launched after the show in 2002, and she's only gone up from there. She's had incredible hits like "Breakaway", "Since U Been Gone", "Behind These Hazel Eyes", "Because of You"... Just to name a few!