The Chenbot also reveals who she thinks is playing the smartest game. Each week, Big Brother host Julie Chen Moonves will weigh in on the latest events inside the house. This week, she reacts to Rachel's clash with Zae, Vince's HOH woes, and more.

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.

It was in the year 2000 that Julie Chen Moonves made her debut as the host of the hit CBS reality show Big Brother, which places a handful of strangers in isolation as they compete for a chance to take home a hefty prize.