Last night, Rihanna was crowned queen (yes, royalty!) of the West Hollywood Halloween Carnaval, and she sported semiprecious eyeshadow for the auspicious occasion. Take a cue from the pop star for a metallic makeup look that's dazzling, not disastrous. To start, apply a deep matte shadow in chocolate tones on the outer half of the lid. Then sweep a bronze or gold-flecked shade from the inner corners to the centre of the lid. Try BareMinerals Ready 2.0 Palette in Epiphany ($27.95), which has both colours in one. Finally, use a larger brush to blend the two colours together. To complement this high-shine eye look, pick a subtle peach blush. But you can add drama with a matte bold lipstick like Rihanna's signature cherry red. Now if only keeping up with the star's constant hair changes was as easy as re-creating her makeup look.