Last Night's Look: Love It or Leave It?We can't stop talking about the outfits Katy Perry, Jessica Biel and more stars were just spotted in! Check them out, then vote – fashion-forward or fashion fail?

SARAH JESSICA PARKER

Bucking the Tiffany blue trend by wearing a textured golden gown and black blazer to the Tiffany & Co. Blue Book Ball in N.Y.C., the stylish star nonetheless repped the brand in nearly $500,000 of their jewels and accessories.