This event is called “‘Prelude To The Olympics’ at Fondation Louis Vuitton,” and it’s basically what it sounds like: fancy people at a fancy place in fancy clothes, the day before the games officially begin. Zendaya turned up and wore a very simple gown from the host company, seemingly proving that Louis Vuitton is still her fashion her B-team.

[Photos: Arnold Jerocki, Julien M. Hekimian, Kristy Sparow, Anthony Ghnassia, Pascal Le Segretain/Getty Images]