Jason Dunn explains how he first met and asked his wife Lenay Dunn out.
Lenay Dunn introduces 'The Vampire Diaries' to the countdown and cast members share details on the upcoming season premiere. Episode airs Saturday at 12:30/11:30c.
Teen heartthrob Austin Mahone co-hosts '10 on Top' and helps Lenay Dunn introduce Bridgit Mendler to the countdown. Episode airs Saturday at 12:30/11:30c.
Ariana Grande co-hosts '10 on Top' with Lenay Dunn, plus Jennette McCurdy gives us a tour of the 'Sam and Cat' set. Episode airs Saturday at 12:30/11:30c.
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