People.com's Halloween Party

Boo! Celebrity Babies In Costume

See how the stars got in on the fun playing dress-up with their little ones for Halloween

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ROWAN AND GRIER HENCHY

It's raining cats and dogs – and princesses? Brooke Shields gets into the Halloween spirit while accompanying daughters Rowan Francis, 5, a pup, and Grier Hammond, 2 ½, a fairy princess, to Dream Halloween in New York City. Dad is Brooke's husband, Chris Henchy.