"Big Brother" Season 27 contestants better grab a life vest, because star Rachel Reilly is checking in as the 17th houseguest

"Big Brother" revealed its mystery houseguest for season 27 Thursday: the legendary Rachel Reilly. Reilly entered the house to meet the other 16 houseguests during the end of the premiere episode July 10, as she ultimately told them she was staying and competing with them this summer.

Just when Big Brother fans couldn't be more hyped for the season 27 premiere, Men's Journal can reveal an exclusive first look from the episode – and there's a major tease.In a brand new photo, a "Missing" sign is shown and one single,

“Big Brother” fans, the wait is finally almost over. With summer underway, Season 27 is coming up quickly, and it’s one you don’t want to miss. Look forward to meeting a new group of Houseguests who are bringing a perfect combination of A-game and ...

Sleeper car bunk room: Behind a secret entrance, this train-themed bedroom straight out of a murder mystery novel contains bunkbeds for six Houseguests (the first time the BB house has had bunk beds since season one!) and a sleek Art Deco design.

The new season of the hit reality competition series "Big Brother" includes new elements including the introduction of a mysterious masked visitor with a secret accomplice and an unknown houseguest to be revealed sometime during the season.

The cast of "Big Brother" Season 27 has been revealed — with one "Mystery Player" set to make a surprise entrance.

CBS’s Big Brother returns with a new season packed with twists. Among the contestants: Amy Bingham, an insurance agent from Stockton. Here's how she plans to win.