Silly, Sexy, Cool : Star Halloween Costumes!

From Mariah's naughty firefighter to Kim's Wonder Woman, see how celebs reveal their alter egos

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JAMIE LEE CURTIS, JADA PINKETT-SMITH AND WILLOW SMITH

The scene was All-American – and scary! – at Curtis's annual Dream Halloween bash, benefiting the Children Affected with Aids Foundation. While Curtis – as Uncle Sam – "wants you" to enjoy Halloween, Pinkett-Smith was Superwoman and daughter Willow – who celebrates her 8th birthday on Halloween! – rolled in spooky style as a gothic princess.