Yes, we will be wearing a dress in Naxxramas, but not the one you think…
Bloodvine Vest
Item Level 65
Binds when equipped
Chest Cloth
92 Armor
+13 Intellect
Durability 80 / 80
Requires Level 60
Equip: [Improves your chance to hit with spells by 2%.]
Equip: [Increases damage and healing done by magical spells and effects by up to 27.]
[Bloodvine Garb] (0/3)
Requires Tailoring
[Bloodvine Vest]
[Bloodvine Leggings]
[Bloodvine Boots]
(3) Set : [Improves your chance to get a critical strike with spells by 2%.]
https://classic.wowhead.com/item=19682/bloodvine-vest