"So there's going to be a strong reaction in both directions for this mystery Houseguest."Ahead of season 27, here are the 12 best Big Brother seasons to watch, all of which are available to stream on Paramount+.

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

Big Brother 27,' hosted by Julie Chen Moonves, premieres on Thursday,. See which houseguests are in power as HoH, who is nominated and who has been evicted so far

Rachel Reilly opens up about returning to Big Brother 27, balancing motherhood, and her plans to compete for the $750,000 prize.

‘Big Brother’ Host Shades the ‘Bachelor’ Franchise’s Failed Romances originally appeared on Parade. Julie Chen Moonves believes Big Brother is better at producing lasting love stories than the Bachelor franchise.

As Big Brother marks a quarter-century milestone. Its legacy is characterized by iconic incidents that influenced reality television and popular discourse.

Life vest sales soar!Grab a life vest, floaters, because look who just resurfaced back in the Big Brother house.Rachel Reilly (or Rachel Reilly Villegas, if you’re nasty) was revealed on Thursday’s Big Brother season 27 premiere as the mystery houseguest.

Rachel Reilly and Brendon Villegas met on 'Big Brother 12' and built a lasting marriage after winning fans with their showmance

Here's everything to know about the rules all Big Brother contestants must follow. One of the most crucial elements in Big Brother is eliminating the noise from the outside world so contestants can fully focus on the show. Houseguests do not have access to the internet or any other form of outside communication.

Big Brother fans are buzzing about the show’s latest twist, and they think they’ve got it uncovered. During the Season 27 premiere on July 10, the mystery 17th houseguest, Big Brother legend Rachel Reilly,