Photo: Simone Niamani Thompson for New York Magazine Regina Hall has stealthily become one of the defining ensemble actors of Black studio films. She has played both the straight woman and the comic relief in films like The Best Man and Girls Trip. For years, critics treated this as charm rather than craft. Not until she transitioned to prestige turns in Support the Girls, Honk for Jesus. Save Your Soul., Black Monday, and the Oscar-winning One Battle After Another were the very traits that