MTV's pop culture countdown show "10 on Top" returns for a new season on July 13th at 12:30pm ET/PT, hosted by Lenay Dunn and guest co-hosted by Jason Derulo. The season premiere will feature interviews with celebrities like Khloe Kardashian, Jonas Brothers, and The Wanted. This season will also include appearances from celebrities like Ryan Reynolds, Snoop Lion, Big Time Rush, and others. Throughout the season, "10 on Top" will countdown the most talked about celebrities and topics each week.