Pet Star Has Been a Series on Animal Planet hosted by Mario Lopez. The show is a contest between their pets who play tricks and owners. Three star judges grade the suggestions on a scale of one to 10. In the long run, the 3 pets with the highest score turn out as finalists, and the audience votes on who is the Pet Star of the episode. Subsequently, at the season's finish, the winners compete to be the entire year's ULTIMATE PET STAR. The winner of a show that is normal gets $2,500, as the winner of the finals gets $25,000. You can find lots of star judges, including Gena Lee Nolin, Virginia Madsen, Will Estes, Lindsay Wagner, Matt Gallant, Mackenzie Phillips, Billy West, James Avery, George Wallace, Melissa Peterman, Christopher Rich, John O'Hurley, Vanessa Lengies, Dom Irrera, Carol Leifer, Andy Kindler, Melissa Rivers, Meshach Taylor, Kaley Cuoco, Rosa Blasi, Jeff Cesario, Karri Turner, Peter Scolari, Bruce Jenner, Fred Willard, Shari Belafonte, Josh Meyers, Lori Petty, Ben Stein, Richard Jeni, Ken Howard, Paul Gilmartin, Maria Menounos, Tempestt Bledsoe, David Brenner and Amy Davidson. Pet Star is based on the show Star Search. It is shown in the United Kingdom on Challenge.