Katy Perry gets in theme for Part of Me 3D screening

When Katy Perry launched her brand new flick in Hollywood, she dressed in theme.

Take a look at her awesome outfit... What's the best way to describe it?

These pics were shot during a live performance on Hollywood Blvd before the premiere of her film Katy Perry: Part Of Me at Grauman's Chinese Theatre in Hollywood.

Photos: Getty/ Getty Images Entertainment/ Robyn Beck