Rachel Reilly, winner of Big Brother 13, was unveiled as the "mystery houseguest" competing again this summer on season 27.CBS had been teasing a secret player all week and dropping clues on social media as to who it was.

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

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 Mystery," CBS confirmed this month, according to USA T

With a new season of "Big Brother" starting tonight, who are the contestants entering the house? Meet the Season 27 houseguests vying for the $750,000 prize.

Big Brother follows a group of people living together in a house outfitted with more than 100 cameras and 100 microphones, recording their every move 24 hours a day. Each week, someone will be voted out of the house, with the last remaining Houseguest receiving the grand prize of $750,000.

Read on to find out everything you need to know about the Big Brother season 27 cast—and how to stalk them on Instagram. This season has recruited an eclectic group of players, from Aura Painter Ava Pearl to “Dungeon Master” Keanu Soto,

Just when Big Brother fans couldn't be more hyped for the season 27 premiere, Men's Journal can reveal an exclusive first look from the episode – and there's a major tease.In a brand new photo, a "Missing" sign is shown and one single,

“Big Brother” fans, the wait is finally almost over. With summer underway, Season 27 is coming up quickly, and it’s one you don’t want to miss. Look forward to meeting a new group of Houseguests who are bringing a perfect combination of A-game and ...