Marsai Martin's makeup routine is as fun as you'd expect. The star reveals her beauty tips as she creates a bold, bright green cat-eye look for ET's while talking about the legacy she wants to build.«My makeup routine usually takes me — I wanna say it gives me, like, a good 30, 40 minutes just because I'm a perfectionist and I want everything to look good,» Martin tells ET via video chat from her home.The 16-year-old, Texas-born actress and producer (she became Hollywood's youngest producer at