Day-to-Night Makeover Masters

What a difference a day makes! See how Katherine Heigl, Jessica Alba and more switch up their looks in a matter of minutes

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KATE BECKINSALE

The star shows that sexy comes in many styles while visiting N.Y.C., first looking glowy and glamorous in a belted white coat and emerald earrings, then dialing up the heat in a glittering Donna Karan dress for her Late Show with David Letterman appearance.