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The annual Met Gala gives celebrities yet another chance to dress up, and while there's always a theme, not all celebrities really pay attention to it. This year's theme was "Manus x Machina: Fashion in an Age of Technology" and on Monday night, Claire Danes, for one, really took that literally, wearing a gorgeous ballgown fit for fairytale princess, that actually lit up.

Magic moments!! Zacposen #metgala #clairedanes

A post shared by Zac Posen (@zacposen) on

The dress, designed by Zac Posen, was made of a "custom fiber optic woven organza" (as opposed to just a regular off the rack fiber optic woven organza).