Marc Malkin Senior Film Awards, Events & Lifestyle EditorJanelle Monáe stepped onto the black carpet at the premiere of “Antebellum” on Monday night in Los Angeles in an Elie Saab gown, XIV Karats jewels, Christian Louboutin heels, a clutch from Carolina Santo Domingo and a custom-made N95 face mask by Aliona Kononova.“It’s so weird, but you know what? I’m rolling with it,” Monáe, who stars in the horror-thriller as a successful author who finds herself seemingly transported back in time to the