Claire Danes arrived at the 2016 Met Gala Monday night at New York City’s Metropolitan Museum of Art looking like Cinderella

Claire Danes Met Gala Look

Danes hit the Met Gala red carpet in a pale blue fiber-optic Zac Posen ball gown befitting a Disney princess – and the theme of the night, which was “Manus x Machina: Fashion In An Age Of Technology.” Even more impressive than the gown’s elegant silhouette was the fact that in glowed in the dark.

“I went through a sequence of stages throughout the process of draping this gown, playing with motion and structure to capture the emotional engineering. The gown is hollow underneath with no tulle – holding its own structure,” Zac Posen said in a statement about the dress.

A little magic moment on @gma this morning! #ZacPosen #metgala #Ballgown #manusXmachina

A video posted by @zacposen on

Posen went into even more detail about the dress’ construction the morning after the Met Gala during an appearance on Good Morning America.

“We custom developed the fabrication, because I wanted to create something that had a transparency to it, but an illumination to it,” Posen said on the show. “I think fashion has become something called fashiontainment. And it’s our job as dreamers and creators to push that.”