Ever wonder exactly who "the friend" is dishing the dirt on celebrities? Well, in the case of the Rielle Hunter-John Edwards scandal, we know exactly who it was: the memorably-named Pigeon O'Brien. And now, she's explaining why, exactly, she went to the Enquirer, broke their affair, and effectively ended his political…

"John Edwards has proposed to Rielle Hunter, and is buying a luxury beachfront home...where they can live happily ever after with their love child," says The Enquirer. And oh yeah, she had an affair with Jeff Goldblum. [National Enquirer, Star]