Billy Joel is continuing to fight his brain disorder, even if he's had to make major life changes, according to his daughter Alexa Ray Joel, RadarOnline.com can reveal.

The 39-year-old revealed her ultra-famous father has been "incredibly resilient" in a new interview with Fox News Digital . Article continues below advertisement

How Is Billy Doing?

"Unfortunately, I didn't get this characteristic from him because I like to express how I'm feeling always," Alexa said. "He doesn't whine, especially in his older age."

In May, the Uptown Girl hitmaker told his fans he had been diagnosed with normal pressure hydrocephalus (NPH), which affects his balance, vision, and hearing.

"I don't know, maybe he did more when he was younger, and he put that angst into his music for sure

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