Big Brother's Janelle and Rachel Troll Fans Over Mystery Houseguest Twist
LOS ANGELES COUNTY, CALIFORNIA, JUL 9 – The surprise 17th houseguest arrival aims to boost viewer engagement with reactions split, as speculation centers on former contestant Rachel Reilly, CBS confirmed.
- Big Brother Season 27 premiered on Thursday, July 10, 2025, on CBS with 16 new houseguests plus a mysterious 17th player at Hotel Mystère.
- CBS built anticipation by sharing clues about the mystery houseguest, sparking fan speculation and surprise before the premiere episode aired.
- Rachel Reilly, the Season 13 winner, joined as a regular contestant but is not the 17th mystery houseguest, who remains unknown and has an accomplice within the cast.
- Julie Chen Moonves revealed that when she learned the identity of the mystery houseguest, she had to prepare herself for something truly surprising, while Reilly expressed his intention to guide the newcomers on how to navigate Big Brother.
- The season’s premiere featured unexpected twists including a masked visitor and secret accomplice, creating strong polarized reactions among houseguests and viewers alike.
13 Articles
13 Articles
Rachel Reilly’s Husband Brendon Villegas Tried to Throw Off ‘Big Brother’ Fans Amid Her Surprise Return as a Contestant | Just Jared: Celebrity News and Gossip
Rachel Reilly was the mystery houseguest introduced during the Big Brother season 27 premiere, which many fans figured out before the episode aired. For those who don’t know, Rachel previously appeared on seasons 12 and 13 of Big Brother, winning the latter season. She has also competed on three seasons of The Amazing Race. In an effort to try to throw fans off from the big twist, Rachel‘s husband Brendon Villegas attempted to make people believ…
Rachel Reilly Checks Into 'Big Brother' Season 27 in 17th Mystery Houseguest Twist
The “Big Brother” Season 27 contestants better grab a life vest, because Seasons 12 and 13 star Rachel Reilly is checking into the game at the Hotel Mystère, but in premiere twist she is technically not the 17th mystery houseguest. Thursday night’s season premiere saw Julie Chen welcome the new competitors into the house for “A Summer of Mystery,” complete with the return of the former winner. Fans had been speculating Reilly as the mysterious 1…
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