Guh-ross--Billy Joel Weds; or Leering, Dirty Old Celebrity is Rewarded with Child-Bride

The first time I saw the above photo, or one similar to it, I thought it was Billy Joel with his young daughter. But a second glance proved me wrong, that's Billy Joel's 23 year old BRIDE. That's some serious cradle-robbin', Mr. Piano Man. (His daughter is apparently only 18, BTW).
Maybe it grosses me out because this gal is 4 years younger than me, and BJ is 6 years older than *my* dad. Also, the idea of being a step-mom to someone who you could have gone to high school with has got to be a little awkward.