The first cheesy segment of the season then occurred: An odd man in a red mask appeared on the TV and said he was behind the ...

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

A former 'Big Brother' player – and winner – was unveiled as the mystery 17th houseguest during the season 27 premiere.

Big Brother 27 shocked viewers with a major twist during the premiere episode, revealing that their mystery houseguest isn't ...

From a The Traitors-esque hotel setting to the revival of last season’s second chance arena, Big Brother: A Summer of Mystery ...

"Big Brother" is back this summer with Season 27, where the official theme will be "Big Brother: A Summer of Mystery." ...

Janelle Pierzina and Rachel Reilly can’t help but stir a commotion online about Big Brother 27’s mystery houseguest. Janelle, ...

The 27th season of Big Brother kicks off with a wild premiere that finally reveals who the "Mystery Houseguest" is before ...

"Big Brother" revealed its mystery houseguest for season 27 Thursday: the legendary Rachel Reilly. Reilly entered the house ...

After much anticipation, Big Brother Season 27 revealed the mystery houseguest. Former contestant and winner of the ...

Grab a life vest, floaters, because look who just resurfaced back in the Big Brother house.