The MTV Movie Awards brought out some of the hottest stars including Reese Witherspoon, Cameron Diaz, Justin Timberlake, Selena Gomez, Justin Bieber, and not to mention a steamy kiss from Twilight hotties Robert Pattinson and Taylor Lautner! And in honor of MTV's wacky category, "Best Scared-As-Sh*t Performance," our very own Vanessa Mujica hit the red carpet to find out what scares the crap out of these stars!

Check it out!