Kelly Clarkson's historic win on American Idol still holds significance over two decades later. She was the show's first-ever winner, launching a successful pop career. On the 21st anniversary of her win, Clarkson shared a photo on social media, prompting fans to reminisce about voting for her. Last year, she expressed gratitude for the opportunities the win provided. In other news, Clarkson recently sold her luxurious Los Angeles mansion and purchased a new mansion in California.