Music superstar Cardi B and Riverdale star Lili Reinhart have signed on to join Constance Wu and Jennifer Lopez in STXfilms' drama Hustlers, Collider has learned. Keke Palmer, Julia Stiles and Mercedes Ruehl have also joined the cast, while Mette Towley (Cats) and Trace Lysette (Transparent) are in negotiations for supporting roles. Lorene Scafaria (The Meddler) will direct from her own screenplay, which was inspired by a 2016 New York Magazine article that went viral. Wu and Lopez will lead a savvy group of former strip club employees who band together to turn the tables on their Wall Street clients. …