The Footwear Shop sells items for MP. You can View All Items on sale here and recent Price Changes. The Footwear Shopkeeper completes a stocktake every 5 minutes so new items may be on sale here in 17 seconds.
If you add the Missing Wardrobe Giftbox to your collection, you will be able to view all wardrobe items you are missing and try them all on before you buy them.
The Seasonal Fairy also rewards you for every giftbox that you collect