Outrageous Moments from the 2011 MTV Movie Awards

Justin Timberlake and Mila Kunis shocked the audience at the MTV Movie Awards with their onstage antics. They just couldn't keep their hands off each other! INSIDE EDITION has more.

Justin Timberlake and Mila Kunis stunned everyone at the MTV Movie Awards, grabbing each other's private parts onstage. And today jaws are dropping across America.

It was a night filled with shocking moments, like what happened when Robert Pattinson and Kristen Stewart won the award for Best Kiss for the Twilight Saga: Eclipse.

Pattinson left his girlfriend onstage, and ran into the audience to kiss male co-star Taylor Lautner.

Pattinson returned to the stage to present Reese Witherspoon with her MTV Generation Award. She played his mother in one movie back in 2004, and his love interest in 2011's Water for Elephants.

"It's not always a bad thing to have sexual chemistry with your mother!" Pattinson joked.

When Witherspoon stepped onstage to accept the MTV Generation Award, she uttered some naughty language no one expected.

She even poked fun at actress Blake Lively for the scandal that erupted last week over some nude photos that showed up on the internet. Lively says the photos are fake.

"If you took naked pictures of yourself on your cell phone, you hide your face people, hide your face!" said Witherspoon.

Justin Bieber made a surprise appearance and girlfriend Selena Gomez cringed when host Jason Sudeikis made a wisecrack about their teen romance.

There was one sweet moment during the raunchy show when 7-year-old Alexys Nycole Sanchez, from Grown Ups, stepped onstage to accept the award for Best Line. She gave an adorable acceptance speech and wrapped it up by reciting her award winning line: "I want to get chocolate wasted!"