Roslyn Singleton has died at the age of 39 after being diagnosed with brain cancer in 2013.
She was a fan favourite following her appearances on America's Got Talent and The Ellen Show and her death was confirmed by her husband in a heartbreaking Instagram post.
Fellow America's Got Talent alum, Ray Singleton, wrote: "Our wife earned her wings yesterday while peacefully sleeping right at home where she wanted to be. This road ahead is going to be INCREDIBLY long & difficult!"