Katy Perry vs Kat Graham In Rainbow-Striped Sequins

We first saw this Attico dress on Kat Graham, where it was a welcome dose of glitz at an underwhelming shindig. Can Katy Perry put enough of her own spin on it? TO THE EVIDENCE LOCKER. And then the comments.

[Photos: Kristin Callahan/ACE Pictures/REX/Shutterstock, Broadimage/REX/Shutterstock, Invision/AP/REX/Shutterstock]