Christina Aguilera

When Christina hits the red carpet, she uses false lashes -- three pairs per lid, according to Kristofer Buckle, who did her make-up for the Grammys! Three seems to be the lucky number for pouty lips, too: Kristofer says he mixed two different shades of lipstick, and added a clear layer of lip gloss on top. Oh, and for that minor burn you got on your forehead from a curling iron? "If you slather cool plain yogurt all over the burn, the coolness will help with swelling and the yogurt helps with the redness and speeds healing," he tells Us.

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