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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JESSICA ALBA

The actress greets the day in N.Y.C. in a bold, bright ensemble of floral pants, a tangerine top and an emerald coat, then trades her trendy togs for a subdued Jenni Kayne suit, Kate Spade New York sweater and Jimmy Choo heels to launch her Honest baby products line.