Christian’s new book is called Dresses to Dream About and the cover is GORGEOUS. It’s only fair and right that so many of his muses came out to help him celebrate. I assume most of them are wearing Christian Siriano? Let’s see how they fared.

[Photos: Stephen Lovekin/REX/Shutterstock,  MediaPunch/REX/Shutterstock, Broadimage/REX/Shutterstock, Invision/AP/REX/Shutterstock]