Christie Brinkley shares support for ex-husband Billy Joel as he is treated for neurological issue
By Lisa Respers France, CNN (CNN) — Christie Brinkley and Billy Joel have been the friendly exes and that is on display after his recently shared medical diagnosis. The “Piano Man” star has normal pressure hydrocephalus (NPH), a condition that causes pressure on the brain. Joel has canceled upcoming tour dates as a result. Over
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