PHOTO GALLERY: Sienna Miller Tears It Up On Opening Night

Does Sienna Miller have a problem with moths or something?

The G.I. Joe actress attended the opening-night party for the Broadway production of After Miss Julie—in which she plays the title role—at the Roundabout Theatre Company’s American Airlines Theatre in New York on Thursday, and something seemed to be missing. Namely, many bits of fabric from her dress.

Granted, it’s still a lot more clothing than we’re used to seeing Sienna in, but still…

Click through the gallery and let us know in the comments section: What do you think of Sienna’s dress?