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

"Big Brother" Season 27 contestants better grab a life vest, because star Rachel Reilly is checking in as the 17th houseguest

Big Brother host Julie Chen Moonves will weigh in on the latest events inside the house. This week, she reacts to being abducted by the Mastermind, Rachel Reilly’s return as the mystery houseguest, playing for the first Head of Household win,

Julie Chen Moonves teased that Big Brother has resulted in "more marriages than The Bachelor " in its 25-year history The longtime host exclusively told PEOPLE it "warms my heart" to see relationships forged on the show stand the test of time At least six couples who met on Big Brother are married with families of their own today,