American Idol’s first episode ever was 10 years ago today! The FOX competition has given us so much talent: Kelly Clarkson (back on the reality circuit with Duets), Oscar winner Jennifer Hudson, country superstar Carrie Underwood, and Smash actress Katharine McPhee. And that's not all! Click through the gallery to see more Idol contestants transform from their impressive auditions to the stars they are today. Seacrest, out!