They may have walked in any number of couture shows together [1], but to Gigi Hadid, she and BFF Kendall Jenner still have totally different styles. Gigi posted a collage on Twitter, putting photos of Kendall and herself side by side with the caption "Chanel vs Walmart." While it's hard to imagine that top model Gigi has a whole lot of Walmart in her wardrobe [2], her playful post is still pretty funny. Check out her tweet here.