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Foto de Getty Images

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Mary-Kate & Ashley Olsen

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Orlando Bloom

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Justin Bieber and Will Smith

Foto de Jeff Kravitz/Getty Images

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Heidi Klum and Chris Colfer

Foto de Kevork Djansezian/Getty Images

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Sandra Bullock & Neil Patrick Harris

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Pitbull

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Nick Cannon & Josh Duhamel

Foto de WireImage

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Foto de Getty Images

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Foto de Getty Images

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Who needs gel when you've got gallons of green slime? We'll tell hair and makeup to keep some handy for the host on show night.

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His first time slimed and he already knows proper eye-cleaning technique. Blake is a natural!