they were also quite concerned about Joel and his health. View this post on Instagram "Hope your alright 😮," one wrote with a concerned-looking emoji, while another asked, "oh no are you okay billy?" ...

It's safe to say The Boys' Jack Quaid appreciated getting some love from Billy Joel's social media: "This is the greatest day ...

Billy Joel has announces new U.S. co-headlining concerts with Sting and Rod Stewart that will take place in September.