Roslyn Singleton, America's Got Talent and Ellen fan favourite, died of brain cancer at the age of 39.

Roslyn Singleton died after appearing on America's Got Talent and The Ellen DeGeneres Show. She was 39 years old.

Singleton died on Tuesday following multiple rounds of brain cancer therapy, her husband Ray reported on Instagram.

"VERY WELL DONE!! Our wife gained her wings yesterday while sleeping comfortably at home, just where she wanted to be "He scribbled something.

"This path ahead will be INCREDIBLY lengthy and arduous!" He went on, "She TEACHED US ALL SOMETHING

There's no reason to be upset because she's where we're all aiming to be one day! Now we honour her legacy, impact, story

Cynthia Bailey, a former Real Housewives of Atlanta star, expressed her sympathy in the comments section, writing, "Broken heart She will be greatly missed. She was a formidable opponent.

Roslyn disclosed during her visit that she had been having cancer treatments since 2013 and had been in remission until being diagnosed with another tumour.