Gladys Knight is speaking out after her son, Shanga Hankerson , accused her husband, William McDowell , of mentally and financially abusing her.

On Friday (August 15), Knight, 81, shut down abuse allegations and assured fans she's in good health amid her ongoing tour.

"I'm sorry that my health and performances have been misrepresented," Knight said, per PEOPLE . "I want my fans and those concerned to rest assured I am doing very well for someone who has been on stage for three quarters of a century, hard to believe, right?"

Knight's statement comes after she kicked off The Queens Tour in May, performing alongside fellow music icons Patti LaBelle , Chaka Khan , and Stephanie Mills .

"I'm healthy and happy and visiting friends and family these last few months. I'm excit

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