Big Brother Célébrités season 1

The first season of Big Brother Célébrités began airing on January 10, 2021. Based on the worldwide franchise of the same name, it saw fifteen "celebrity" housemates competing to win the show's grand prize. It is the third French language adaptation of the series to be held in Canada, following Loft Story (2003–09) and a civilian version of Big Brother (2010). Marie-Mai Bouchard served as the show's host during its thirteen-week run, concluding on 11 April 2021, when comedian Jean-Thomas Jobin was named the winner, winning $50,000 for himself, $50,000 to a charity of his choice, and a new automobile.

Ratings
Ratings of eviction shows are taken from Numeris.
 * Four episodes of daily shows Big Brother Célébrités Quotidienne from 22 March to 25 March 2021 combined ranked thirtieth place, received 0.637 of total viewers.