In the hilariously raunchy comedy “The People We Hate at the Wedding,” dysfunctional American siblings Alice (Kristen Bell) and Paul (Ben Platt), along with their ever-optimistic mom (Allison Janney), are invited to the British wedding of their estranged half-sister Eloise (Cynthia Addai-Robinson) as a chance for them to reconnect as–more or less–adults, and learn to …
