Tommy Williams maintained his sister is well. "I believe further tests need to be taken because right now she's not sounding like any type of dementia," he said in the special. "I don't see dementia. She doesn't see dementia. ... Right now, she's confined." "Undoubtedly, she'll be back," he added.

A year after her team said she was diagnosed with aphasia and frontotemporal dementia, Williams claims she is “not cognitively impaired.”

In a new documentary, Wendy Williams opens up about her health and the struggle to regain control of her life.