Say what you will about how strictly she adheres to a vegan lifestyle, it seems like she's at least 95% vegan to me and doing a LOT of good for animals with her status. I think the amount of people she's encouraged to eat a more plant based diet is fantastic and I love all the press she's gettingI have some guidelines when it comes to clothes, or anything really, says Alicia Silverstone, celebrity authority on the vegan lifestyle. First, I try to find it used so Im not creating more waste. If I cant find it used, Ill make sure its made with an eco material. If I cant find it in either of those categories, Ill buy something regular. But I rarely have to do that. Her no-waste philosophy is shared by Gregory Parkinson, who designed this dress made from recycled silk thats hand-colored with environmentally friendly, water-soluble dyes.