America's Got Talent favorite Roslyn Singleton has passed away of brain cancer!

"Well done!! Our wife earned her wings yesterday while sleeping peacefully where she was meant to be," Ray Singleton shared on Instagram.

"The road ahead is going to be incredibly long and difficult! He taught us all something.

That's where we're all trying to get to someday so no need to be sad! Now we are his inheritance.

Let's celebrate his influence, his story and his spirit! He will live forever!!

The singer's sad announcement garnered reactions in the comments section from famous faces like Dwyane Wade, HER, D-Nice and more.

Singleton's story became well-known when Ray posted a viral video of himself singing with Roslyn.

As he prepares for surgery to fight cancer.

During her audition for the NBC reality show, Roy brought Roslyn to meet the judging panel.

Andy Grammer sang "I'm Yours" there. "Actually, the reason I'm here is because of my wife," he told Simon Cowell and co.