You probably didn't think the song was about him; Carly Simon on just who was so vain

 

http://www.examiner.com/examiner/x-19248-Vintage-Rock-n-Roll-Examiner~y2010m2d26-You-probably-didnt-think-the-song-was-about-him-Carly-Simon-gives-clue-to-who-was-so-vain