A cause of death wasn’t disclosed.

Estus' death was announced througha post on his Twitter accounton Monday.

“Deon was mostly known as the third member of Wham!

Deon Estus

Bassist Deon Estus died Oct. 11 at age 65.Michael Putland/Getty Images

Deon was passionate about music and loved interacting with his loyal fans.”

“That was a lot of dough.”

Growing up in Detroit also allowed Estus access to some of Motown’s most talented musicians.

He performed on the singer’s solo albumsFaithandListen Without Prejudice Vol.

1and opened for Michael on the 1988-89 Faith Tour.

5 on theBillboardHot 100.

After the singer’s death in 2016,Estus toldBillboard, “I’m still in shock.

I was blessed to have known him.”