Last Night's Look: Love It or Leave It?Katy Perry's leather mini, Kesha's floral dress and more star style on the red carpet. Check them out and vote – fashion-forward or fashion fail?

KATY PERRY

Let's try to ignore the sheer black tights (in summer) for the time being and focus on the rest of the singer's look for her fragrance launch in London: a blue V-neck leather mini with fringe at the hemline and mesh and stud detailing on the skirt, topped off with a deep-red lip and green highlights.