The epic sci-fi action film, Valerian and the City of a Thousand Planets will début in a few weeks. Rihanna is introducing her character to the world with behind-the-scenes video footage.
In the movie, Rih plays "Bubble", a shape-shifting alien stripper. Bubble works at a sex club run by Ethan Hawke that Valerian (Dane DeHaan) ducks into on…
