In Disney's Camp Rock 2, Meaghan Martin reprises the role of Tess, the archrival of Mitchie (Demi Lovato) who joins the new Camp Star across town.

VIDEO: The Jonas Brothers share their favorite behind-the-scenes moments from Camp Rock 2

In the video below, Martin tells TVGuide.com how Tess learns her lesson in the sequel, and how "her motivations are different" from the first time around.

Watch interviews with the cast of Camp Rock 2

Meanwhile, newcomer Matthew "MDot" Finley, who plays Tess' partner-in-crime and "male equivalent" Luke, tells us about the competition off-screen. He and co-star Alyson Stoner shot hoops on set, while Nick Jonas was the softball king, he says.

Camp Rock 2: The Final Jam premieres Friday at 8/7c on the Disney Channel.