Celebrity Big Brother is the American adaptation of Celebrity Big Brother and second spin-off of the United States version of Big Brother. It premiered on CBS on February 7, 2018 as counterprogramming to the 2018 Winter Olympics. The series is hosted by Julie Chen Moonves, and is produced by Fly on the Wall Entertainment in association with Endemol Shine North America; Allison Grodner and Rich Meehan serve as executive producers.