Two of young Hollywood's hottest young actors, Shailene Woodley and Ansel Elgort of "The Fault in Our Stars," will join the star studded line-up of presenters handing out golden popcorn during the 2014 MTV Movie Awards, which air live on Sunday, April 13 at 9 p.m. ET/PT from L.A.'s Nokia Theatre.

And before they take the stage, fans will get to see an exclusive scene from "The Fault in Our Stars" during the 2014 Movie Awards Pre-Show, starting at 8:30 p.m.

Woodley and Elgort join host Conan O'Brien and previously announced presenters Cameron Diaz, Leslie Mann and Kate Upton. Academy Award-nominated actor and producer Mark Wahlberg will be honored with the MTV Generation Award, which will be presented the award by "Entourage" cast members Adrian Grenier, Kevin Connolly, Jerry Ferrara and Kevin Dillon. This will mark the first public reunion for the cast ahead of their highly anticipated movie release in June 2015.

Voting for the 2014 MTV Movie Awards is open at MovieAwards.MTV.com through Saturday, April 12 in categories you'll never see in any other awards show, including Best Comedic Performance, Best Villain, Best Kiss, Best Scared-As-Sh-- Performance, Best Musical Moment, #WTF Moment, Best On-Screen Duo, Best Fight, Best Shirtless Performance and more. Voting for Movie of the Year will continue throughout the live broadcast of the show.