For those of us who remember the 80's romance of Billy Joel....and the star of his "Uptown Girl" video, Christie Brinkley....this is an "awwwww, sweet!" kind of moment.    Billy Joel serenaded his ex at Madison Square Garden the other night....and of course, you know what song he picked -

 (Youtube.com)

 

As for Christie, she seemed happy about it, judging from her Instagram -