Jersey Shore takes on Twilight

Robert Pattinson, Kristen Stewart and Taylor Lautner all showed up to talk Eclipse to the delight of Twilight fans everywhere.

But a special appearance by one very special cast of characters had the whole world saying: Friggin Twilight!

Jimmy Kimmel transformed his set into a virtual forest claiming it Twilight night, welcoming most of the cast.

The host surprised his Jimmy Kimmel Live audience by letting them in on a little secret that not even the cast knew about: Taylor Lautner, Robert Pattinson and Kristen Stewart were not the original choices to play the world's most talked about characters.

Cue the never-before-seen original cast of Twilight!

Jersey Shore does Twilight

Read on for more Eclipse

The latest Eclipse trailer
Eclipse clip: The Cullen house gets tense
Eclipse photo gallery: Every single still!