Julie Chen Moonves is the host of CBS' long-running reality show, Big Brother, which premieres its 27th season this week.

F loaters, grab a life vest! Rachel Reilly made her triumphant return to Big Brother during Thursday's Season 27 premiere.

In Season 27 of "Big Brother," houseguests will spend the summer inside Hotel Mystère, an enigmatic yet luxurious version 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 ...

Season 27 of "Big Brother" premieres Thursday. Meet this year's houseguest and see how to watch the CBS original series.

The 24/7 Big Brother live feeds will be streaming on Paramount+ at all times as the season progresses. Fans will get to ...

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 follows a group of people living together in a house outfitted with more than 100 cameras and 100 microphones, ...

Season 27 premieres with a 90-minute episode Thursday, July 10, from 8:00-9:30 p.m. ET. In addition to hour-long episodes ...

The houseguests of ‘Big Brother’s 27th season were unveiled shortly before the premiere! Get to know each of them and their ...

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