How to contact a celebrity for a birthday?

I want to contact Danny Elfman for my boyfriend. He's a huge fan and for his birthday a few months from now, I want to have Danny Elfman meet my boyfriend. I'm willing to pay and I figured it'd be the same as booking, but, whats an email I can contact first just to start the deal?|||send e-mail,and mak aid on friendship website whichhe use and make him friend.