Fans of Madelaine Petsch have been awaiting her new sunglasses line, the Privé Revaux M3 Collection. Well, J-14 caught up with the Riverdale star to chat about the line and get a sneak peek at the three styles: Monroe, Matrix and Mads. The YouTuber also spilled behind-the-scenes set secrets from Riverdale and dished on her experience attending the 2019 Met Gala.