'Stars on Mars' Celebrity Contestants Lineup: 12 Stars From 'Vanderpump Rules,' 'Real Housewives,' 'Modern Family' & More Are Competing!

The premiere of Fox’s all new reality series, Stars on Mars, is tonight! Hosted by William Shatner, the series will bring a handful of stars together, where they will live, eat, sleep, strategize and bond with each other in the same space station. During the show, the stars will be “faced with authentic conditions that