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 ...

"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 ...

Janelle Pierzina and Rachel Reilly tease Big Brother fans with hints about the mystery houseguest in season 27 ...

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

With a new season of "Big Brother" starting tonight, who are the contestants entering the house? Meet the Season 27 ...

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 ...

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

Rachel Reilly returns to the Big Brother house as part of a new mystery twist, joining the game as the 16th player and facing ...

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