VIDEO: Sneak Peek - Austin Mahone Hosts MTV's 10 ON TOP Tomorrow

Get More: 10 on Top, Full Episodes

Teen heartthrob and 2013 "MTV Video Music Awards" pre-show performer Austin Mahone will guest co-host a special VMA-themed episode of "10 on Top" with host Lenay Dunn tomorrow at 12:30 p.m. ET/PT on MTV. Check it out below!

"Austin had never co-hosted a TV show before, but he was great!" said Lenay Dunn. "I wish he could be my co-host every week, he was a lot of fun."

The VMAs make the "10 on Top" countdown this week and celebrities like Jonas Brothers, Big Time Rush, Zendaya and J. Cole share their picks for who should take home a KAWS MTV Moonman for Video of the Year and Female Video.

This special VMA-themed episode takes place in front of the Brooklyn Bridge and Austin and Lenay are decked out in VMA and Brooklyn gear. The episode also features interviews by stars Vanessa Hudgens, Bridgit Mendler, Jesse McCartney, Hayden Panettiere, VMA nominee Selena Gomez, and the cast from "Pretty Little Liars," "Drinking Buddies" and "The Mortal Instruments."

Tune in to MTV to see Austin Mahone and Lenay Dunn count down the hottest young stars of the week!

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