A 26-year-old in Seattle named Michael Henrichsen spent TWO YEARS trying to convince Billy Idol to perform at his birthday party . . . and it actually worked.  Billy will perform a birthday celebration for Michael this Friday.  The show will happen at an actual venue, and the proceeds will be donated to charity.  Michael first got the idea two years ago, and launched an elaborate campaign to attract Billy's attention.  He started the website PlayMyBirthdayBillyIdol.com Check out all the celebs from Apollo Anton Ohno and more.