Viewers will be reunited with some of the most memorable, entertaining and controversial Houseguests from the previous 6 installments of Big Brother when the 20 candidates vying to compete in the all-stars edition are unveiled during BIG BROTHER ALL-STARS: AMERICA'S VOTE.

The “Entertainment Tonight” special looks back at the groundbreaking series’ most memorable moments, shocking twists and showmances through archival footage and exclusive interviews with host Julie Chen Moonves and fan-favorite houseguests