Think you know all there is to know about the latest clothing trends? Are you a fashionista ready to take the world by storm? Well, you better get in line cuz a bunch of your fave celebrities are looking to cash in on the world of fashion too. Think you know who?

Celebs like Gwen Stefani, Jennifer Lopez and even the Olsen twins are already making a splash with their designs. Check out Kidzworld's Name That Celebrity Designer Quiz to see if you're up to date on who's designing what - and when you can expect to see all these cool duds in stores. Think you're fashionable enough to ace this quiz? Find out now!