Since winning "Idol," the 37-year-old has become one of the show's most successful alumni. Carrie Underwood Celebrates 15th Anniversary of Her American Idol Win: 'It's Been an Incredible Ride' this link is to an external site that may or may not meet accessibility guidelines. Carrie Underwood "cannot believe" it's already been 15 years since she walked away with the American Idol victory that launched her career into country superstardom. The "Cry Pretty" singer took to Twitter Monday to thank fans who had wished her a happy "Idol-versary" with a special video, sending them love to appreciating her all these years. 1 on the Billboard Hot 100 and the only solo country artist in the 2000s to top the Hot 100. Her debut single, "Inside Your Heaven," made her the only country artist to debut at No.

— Carrie Underwood (@carrieunderwood) May 25, 2020.