Along with winning four Grammy Awards, Roberta Flack also became the first artist to win back to back awards for Record of the Year in 1973 and 1974. She won these accolades for the albums 'First Time I Saw Your Face' and 'Killing Me Softly With His Song' respectively.
Roberta Flack was also awarded the Lifetime Achievement Award in 2020.
Confirming the news regarding her diagnosis, the singer's representatives said that it is a disease that has "has made it impossible to sing and not easy to speak".
"But it will take a lot more than ALS to silence this icon", they added.
Many people have taken to Twitter to pay tribute to Flack, following news of her diagnosis.