Say hello to the new crop of famous faces competing in the second season of Celebrity Big Brother These 12 Celebrity Houseguests will live together in the iconic Big Brother house, which is outfitted with 80 HD cameras and over 100 microphones capturing their every move, 24 hours a day, with zero contact to the world beyond its walls.Each week, one or more Celebrity Houseguests will be evicted from the house, and the last one remaining will take home the grand prize of $250,000!This season's cast includes Olympians, a former Heisman Trophy winner and NFL running back, a headline-making political strategist, a former teen heartthrob, a GRAMMY-nominated musician, a former WWE wrestler and an infamous houseguest, among others.Click on to see who's who in Celebrity Big Brother Season 2.Watch the two-night premiere event of Celebrity Big Brother on Monday, Jan. 21 and Tuesday, Jan. 22 at 8/7c on CBS CBS All Access