On "The Tonight Show," Fox News' Greg Gutfeld revealed the wild story Thursday behind his first encounter with fellow late-night host Jimmy Fallon years ago.

Fox News host Greg Gutfeld made a rare late-night crossover, hugging Jimmy Fallon in his first appearance on NBC's 'The ...

Greg Gutfeld and Jimmy Fallon recount their first meeting on "The Tonight Show." Kelly Clarkson's ex-husband Brandon ...