Q: Context: Celebrity Big Brother also known as Big Brother: Celebrity Edition is a spin-off series of the American reality television series Big Brother. This season will air during the winter of the 2017 -- 18 network television season on CBS and will be the second U.S. Big Brother season to air outside the usual summer television season, the first being Big Brother 9 in 2008. Julie Chen will return as host, with Allison Grodner and Rich Meehan returning as executive producers. The season will be produced by Fly on the Wall Entertainment in association with Endemol Shine North America. CBS announced that the series is set to premiere on February 7, 2018 and conclude on February 25, 2018.

Question: when is celebrity big brother coming to cbs? Let's give stream of consciousness first:
To answer this question, we should know that: CBS announced that the series is set to premiere on February 7, 2018 and conclude on February 25, 2018. Therefore, the final answer is February 7 , 2018.