Sneak Peak : Petro Zilla Teams Up With Forever21 Lookbook. Forever21 is always doing great collaborations with designers and this time they’re teaming up with Petro Zilla. If you’re not familiar with House of Petro Zilla the’re very popular among celebrities and they’re known for their funky design and bright colors which makes them the perfect fit for forever 21 lovers. The collection is set to hit stores later this month as well as on-line. Look below to see a sneak peak at what’s in the collection by seeing the lookbook below.














