"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 ...

A mystery houseguest is shaking up Big Brother Season 27 — and Men’s Journal has the exclusive final clue to who that person ...

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

The most popular pick, handsdown, of who the mystery guest is would be none other than Rachel Reilly. She already made two ...

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

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

Well played, Zach! It looks like the marketing manager is having a brodown throwdown with his boy Vince over this surprising ...

Fans and Big Brother houseguests alike were amazed by Rachel Reilly's dramatic appearance on the first episode of Season 27.

Popular reality show “Big Brother” premiered this week, featuring two Texas residents who say they are up for the challenge.

CBS has announced a few twists that “Big Brother” fans can expect to see when the show returns for Season 27, including one that even surprised host Julie Chen Moonves.

Big Brother season 27 debuted on July 10, 2025, with 16 players checking into the Hotel Mystère to compete against each other for a $750,000 cash prize and the winner's title.