2 Dresses, 1 Night: Comic-Con Edition!

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Sometimes, one dress just isn't enough -- especially when it's Comic-Con, one of the most fun and highly anticipated events of the year!

Check out the outfit changes of these fashionable stars.

The ever-stylish Ginnifer Goodwin looked comfortable in a loose-fitting white Derek Lam dress at the Once Upon a Time Comic-Con panel on July 20, then later changed into a dark green sleeveless Vionnet dress at the annual Entertainment Weekly Comic-Con Celebration party.