MTV Movie Awards: 9 Craziest Moments of Past Years (Video)

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Justin Timberlake and Mila Kunis

It wouldn't be an MTV show without outrageous stunts and a little bit of nudity.

From scandalous onstage kisses to acceptance speech blunders, the MTV Movie Awards has broadcasted some of the most outrageous stunts in awards show history.

Before this year's ceremony kicks off on April 12, take a look at some of the craziest moments that have happened in past years.

1. Justin Timberlake and Mila Kunis get handsy.

At the 2011 awards show, the Friends With Benefits co-stars groped each other at the podium before presenting the nominees for best male performance to prove that, like the title of their film, they had a completely "platonic" relationship. "We are like brother and sister," Kunis said, seconds before Timberlake felt her up onstage.

2. Rachel McAdams and Ryan Gosling share a smooch.

Upon winning the award for best kiss in 2005, McAdams and Gosling (who were dating at the time) shared a dramatic smooch on stage that topped that of Noah and Allie's kiss in The Notebook. But they weren't the first to get intimate at the awards — Cruel Intentions co-stars Sarah Michelle Gellar and Selma Blair also locked lips when they won in the same category in 2000.

3. Zac Efron strips down for the fans (and Rita Ora).

Efron won the award for best shirtless performance at the 2014 awards ceremony, but before he could dive into his speech, presenter Rita Ora crept up from behind and ripped open the actor's button-up shirt.

4. Rainn Wilson bares it all.

The Office star appeared onstage practically nude, with nothing but a teddy bear to cover him, when he presented the award for best kiss at the 2008 awards show alongside Megan Fox (skip to 0:17).

5. Kristen Stewart drops her golden popcorn.

While accepting the award for best female performance in 2009, the Twilight actress dropped her golden popcorn statue, breaking it in the process. She closed her speech by saying, "So, I was just about as awkward as you thought I was gonna be. Bye!"

6. Andy Samberg debuts "Cool Guys Don't Look at Explosions."

Host of the 2009 awards ceremony, Samberg collaborated with Will Ferrell and J.J. Abrams for an epic performance of "Cool Guys Don't Look at Explosions," a song by his own comedy group The Lonely Island.

7. Jim Carrey transforms into a hippie.

Carrey was almost unrecognizable at the 1999 MTV Movie Awards. The comedian accepted the award for best male performance for his role in The Truman Show dressed as a peace loving, shaggy-haired hippie and remained in character throughout his speech and for the remainder of the show.

8. t.A.T.u. bring about a female invasion.

During a performance of their hit "Not Gonna Get Us," the duo was joined onstage by an onslaught of female dancers who had all stripped down to their underwear by the end of the song.

9. Sacha Baron Cohen and Eminem get too close for comfort.

At the 2009 awards show, Cohen descended from the rafters of the Gibson Amphitheatre and made a crash landing into Eminem's lap, with his bare bottom just inches away from the rapper's face. Fortunately, Eminem had been in on the stunt.