Hailey Baldwin on Her Pretty Little Thing Campaign and Whether She’d Design Her Own Clothing Line

Hailey Baldwin has officially partnered with Pretty Little Thing to be its newest ambassador—and the star of its holiday campaign (the one Baldwin’s husband Justin Bieber called “so hot” on her Instagram). In the images, Baldwin models glitzy, dresses, jumpsuits, blazers, and more. And all the pieces are Hailey Baldwin-approved for any holiday party, naturally.…