Valerian and the City of a Thousand Planets, is a 2017 English-language French 3D science fiction adventure film written and directed by Luc Besson, it stars Kris Wu, a Chinese-born Canadian actor, singer, and model, and former member of which South Korean-Chinese boy band?
Valerian and the City of a Thousand Planets:  It stars Dane DeHaan as Valerian and Cara Delevingne as Laureline, with Clive Owen, Rihanna, Ethan Hawke, Herbie Hancock, Kris Wu and Rutger Hauer in supporting roles. Kris Wu:  He is a former member of South Korean-Chinese boy band EXO and its subgroup EXO-M under S.M. Entertainment.
EXO