Carly Simon Finally Reveals Who's 'So Vain'

After 44 years, the worst kept secret in showbiz is out: Warren Beatty is the one who thinks that song is about him.

Singer Carly Simon that the actor inspired at least part of her hit song, “You’re So Vain.”

Simon, who is of Jewish descent on her father’s side, spilled the beans about lyrics were about Beatty in in her new memoir, “Boys in Trees”:

“You had me several years ago when I was still quite naive

Well you said that we made such a pretty pair

And that you would never leave

But you gave away the things you loved and one of them was me

I had some dreams, they were clouds in my coffee

Clouds in my coffee, and…”

But lest Warren get any more self-centered, Simon was quick to point out that the song also refers to two other mystery men. “I have confirmed that the second verse is Warren,” she told People Magazine. “Warren thinks the whole thing is about him!”

He’s so vain.