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 CHASTAIN

Doing a total 180 from her sweetly retro-chic black-and-white Andrew Gn frock and laid-back pony at L.A.'s AFI awards, the actress slips into a plunging Vivienne Westwood frock, strappy platforms and tousled curls for a knockout evening look at the L.A. Film Critics Association Awards.