After much anticipation, Big Brother Season 27 revealed the mystery houseguest. Former contestant and winner of the thirteenth season, Rachel Reilly, joined the CBS show as the mystery houseguest.

Big Brother viewers up North in Canada can watch Big Brother Season 27 simultaneous with their US cousins on Thursday, July ...

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

Big Brother Season 27 premiered with its first episode on July 10, 2025. The CBS show features Julie Chen Moonves as the show host.

The 27th season of the hit reality show Big Brother is officially underway. Serving as a celebration of the show’s 25th anniversary, Big Brother 27 is once again hosted by Julie Chen Moonves. This ...

GlobalTV.com Someone better call Jessica Fletcher, Lt. Columbo, Thomas Magnum or Leroy Jethro Gibbs and even they might not ...

In announcing the “Summer of Mystery” theme, CBS teased that Big Brother 27 would introduce a surprise “Mystery Houseguest” ...

Big Brother 27,' hosted by Julie Chen Moonves, premieres on Thursday,. See which houseguests are in power as HoH, who is ...

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 ...

Yes, ‘Big Brother’ is back. Season 27 kicked off on Thursday (July 10) with a 90-minute special that left viewers stunned, ...

Before the season 27 premiere, many fans speculated that the mystery houseguest could be anyone from Celebrity Big Brother UK ...

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