MTV'S POP-CULTURE COUNTDOWN "10 ON TOP" RETURNS WITH HOST LENAY DUNN AND GUEST CO-HOST JASON DERULO SATURDAY, JULY 13 AT 12:30PM ET/PT

Season Premiere Features Khloe Kardashian, The Wanted, Avril Lavigne and More As Lenay Dunn and Jason Derulo Count Down The Hottest Young Celebrities And Top Trending Topics Of The Week

New York, NY - (July 8, 2013) - MTV will kick the weekend off with all new episodes of "10 on Top" premiering Saturday, July 13 at 12:30pm ET/PT. Host Lenay Dunn will be joined by singer Jason Derulo, who will guest co-host for the season premiere, to count down the top 10 most talked-about celebs and trending topics of the week. The first episode features interviews with Khloe Kardashian, The Wanted, and Avril Lavigne, as well as Rob Kazinsky and Rutina Wesley from "True Blood," Keegan Allen from "Pretty Little Liars," and Aislinn Paul, Jessica Tyler and Eric Osborne from "Degrassi." Viewers will get the inside scoop on the new deals, the make ups, break ups, current projects and all things pop culture from today's hottest young stars through interviews and exclusive behind-the-scenes footage.

This celebrity-packed season of "10 on Top" will feature appearances by Ryan Reynolds, Jonas Brothers, Mac Miller, Snoop Lion, Big Time Rush, Hunter Hayes, Ke$ha, J. Cole, and Logan Lerman, as well as stars from hit series "Switched at Birth," "Twisted," "The Fosters," and "So You Think You Can Dance." "10 on Top" will also be celebrating the 2013 MTV "Video Music Awards" during the entire month of August, leading up to a special VMA-themed episode airing on August 24, the day before the big show. Celebrities will share their predicitions for who will take home a MTV Moonman and nominees will talk about their expectations for the show. "10 on Top" will also feature a special back-to-school episode this season with celebs offering advice on first-day-of-school fashions and sharing their funniest memories from their own "first days."

As always, viewers can submit requests for which celebs they want to see on the countdown via twitter @10ontop and on the "10 on Top" Facebook page. Can't get enough of "10 on Top?" Full episodes will be available online at 10ontop.mtv.com.

"10 on Top" is executive produced by Karen Frank and Jenny Slater. Matthew Parillo serves as the Executive in Charge.

About MTV:

MTV is the world's premier youth entertainment brand. With a global reach of more than a half-billion households, MTV is the cultural home of the millennial generation, music fans and artists, and a pioneer in creating innovative programming for young people. MTV reflects and creates pop culture with its Emmy(R), Grammy(R) and Peabody(R) award-winning content built around compelling storytelling, music discovery and activism across TV, online and mobile. MTV's sibling networks MTV2 and mtvU each deliver unparalleled customized content for young males, music fans and college students, and its online hub MTV.com is a leading destination for music, news and pop culture. MTV is a unit of Viacom Inc. (NASDAQ: VIA, VIAB), one of the world's leading creators of programming and content across all media platforms.