Billy Joel's daughter is speaking out in support of her father following his recent health diagnosis. Alexa Ray Joel - the daughter of the "Piano Man" and his ex-wife, model Christie Brinkley - took to social media on Sunday (May 25) to thank fans for their support and share an uplifting message after her father revealed he had been diagnosed with normal pressure hydrocephalus (NPH),

On May 23, legendary musician Billy Joel announced the cancellation of the rest of his current tour - 17 shows in total - due to a recent diagnosis of normal pressure hydrocephalus (NPH).