Christie Brinkley has sent her ex-husband Billy Joel well-wishes amid his battle with a brain disorder.
The 71-year-old model - who has daughter Alexa Ray Joel, 39, with the 'Uptown Girl' hitmaker - hopes her former spouse has a "full and speedy recovery" and is able to return to the stage, after he was diagnosed with Normal Pressure Hydrocephalus, which has caused problems with his hearing, vision and balance.
