VIDEO: Sneak Peek - Tomorrow's All New 10 ON TOP Feat. Ariana Grande

10 on Top - Full Episodes

"Sam & Cat" star and 2013 MTV "Video Music Awards" pre-show performer Ariana Grande will co-host an all new episode of "10 on Top" with host Lenay Dunn tomorrow at 12:30 p.m. ET/PT on MTV. "10 on Top" also gets a sneak peak tour of the "Sam & Cat" set by Jeanette McCurdy. Check out a first look at the episode below!

"Ariana was hilarious, she had me and the entire crew laughing the entire time!" said Lenay Dunn. "She did an impression of her grandpa from when he met Justin Bieber and she sounded exactly like a grandpa - it was awesome!"

This week's episode features interviews by stars from "Switched at Birth," Max and Charlie Carver from "Teen Wolf," Chloe Grace Moretz, Kendall & Kylie Jenner, Panic at the Disco, Flo Rida, "True Blood" stars, Fall Out Boy and Debby Ryan. Tune in tomorrow to see Lenay and Ariana count down the hottest young stars of the week!

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