Mary J. Blige owns over 1,000 pairs of shoes.The 'Just Fine' singer is so obsessed with designer footwear that she has a whole closet devoted to storing her purchases.She said: "My biggest fashion weakness is definitely shoes. My favourites are some Chloe wedges. I have around 1,000 pairs."Mary is planning to channel her love of fashion into her own clothing range, that will focus on demin.She added to Britain's Elle magazine: "I'd really love to do that. I want to start with a great pair of jeans that fit nicely and are made from a good-quality material. I'm also working on a perfume. I'm always checking out new scents for ideas."However, the 37-year-old singer has no intention of trying to compete in the fashion stakes with her younger pop rivals.She said: "I'm learning about fashion, but a lot of people do like my style. I don't have to compete though - I don't even want to compete. I'm not trying to outdo Rihanna or Beyonce."