Spend $9.99 to verify your age with IMVU officially. Once you are AP Verified, the entire catalog of "E-Hidden" items becomes visible to you. You can search "E" items, view them in the shop, and try them on in the fitting room.
Instead of trying to spy on hidden outfits, why not own them or see them legitimately? imvu e hidden outfit viewer exclusive
The concept of a "hidden outfit viewer" suggests a tool that allows you to see the clothing items a user has marked as "hidden" in their outfit card. Spend $9