I had the outfit you get when u preordered and its been on my character for like forver but ever since i updated today, it's suddenly gone from my character

I got same problem in my account. i lost my outfit gold (with wings)

Your outfits were for some reason added to a “wardrobe” in the pearl shop under the appearance store. Click on purchasable outfits and at top right you’ll see a wardrobe emblem, you’re outfits are stored there, just retrieve them.