Kelly Clarkson shared a heartfelt message with her fans acknowledging the 20th anniversary of her life-changing rise to stardom.MORE: Kelly Clarkson's departure from The Voice - all we knowTaking to Instagram, the mum-of-two penned a lengthy statement in which she opened up about her appearance on American Idol.WATCH: Kelly Clarkson makes heartfelt admission about Christmas after divorceOverflowing with emotion, Kelly candidly wrote: "20 years ago today I won American Idol and it forever changed the course of my life. That moment was the door that opened up so much access and opportunity, and creative partnerships that I will be grateful for all of my days.MORE: Kelly Clarkson makes emotional revelation about who she really owes her career toMORE: Kelly Clarkson’s ex-husband buys $1.8 million home after divorce battle"I am most proud and grateful for those friends that have become family, and for their arms that have held me when I needed it, and their hearts that listened to me when I felt lost.