In Cillian Murphy’s new film Steve, the 48-year-old Irish actor plays the title character with a ferocious intensity, instilling fiery emotions into nearly every scene. Yet it’s the 31-year-old British rapper Little Simz who gets the final word. Or, more specifically, the final 350 words. An actor in the poignant drama, too, Little Simz (she’s credited under her real name, Simbi Ajikawo) has an electrifying songhellip;read more raquo;