Big Brother 27 host Julie Chen Moonves gives her take on the houseguests, including who's playing the smartest game after a long week of the summer.

Big Brother airs Wednesdays, Thursdays and Sundays at 8 p.m. ET. You can also catch the 24/7 live feeds on on Paramount+ and Pluto TV. After 25 seasons as the host of Big Brother, Julie Chen Moonves is still finding new ways to surprise fans — and this summer, the surprises may be hiding in plain sight.