And we’re always in the mood for your melodies and we all hope you’re feeling alright," Brinkley wrote to the musician, referencing the lyrics from one of his most famous songs Billy Joel can always count on Christie Brinkley to be in his corner.

Fox News senior medical analyst Dr. Marc Siegel breaks down the symptoms of Normal Pressure Hydrocephalus amid music legend Billy Joel's brain diagnosis and why it's under-diagnosed on 'Fox Report.'

“This condition has been exacerbated by recent concert performances, leading to problems with hearing, vision and balance,” said a statement posted to the singer’s social media accounts.