Here's what to know about Season 27. What is the theme for this season? The official theme will be "Big Brother: A Summer of ...

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

Rachel Reilly, winner of Big Brother 13, was unveiled as the "mystery houseguest" competing again this summer on season ...

Big Brother legend Rachel Reilly headed back into the house during the Big Brother season 27 premiere ready to play the game she loves once again, and ahead of her grand entrance, she shared why she's ...

Big Brother returned for its 27th season on July 10, 2025, kicking off a new summer of strategy, alliances, twists, and drama ...

Oh, summer hasn't officially arrived until "Big Brother" has arrived and it's here. The CBS reality competition series is celebrating 25 ...

Big Brother host Julie Chen Moonves had some time to kill during the show’s season 27 premiere on Thursday, July 10. The ...

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

Big Brother Season 27 premieres July 10 with 17 houseguests entering Hotel Mystère. Get cast details, house tour, and ...

Contestants on 'Big Brother' must follow certain rules. Here's everything to know about the rules that 'Big Brother' ...