Of the few things only us women understand, leggings, tights and spandex rank pretty high. The comfy material can easily take us from day to night, summer to winter, casual to glam. It's our workout gear, but can also be dressed up and deemed appropriate for the fanciest of holiday parties.
Behold, 85 photos of celebrities who totally get it:
Behold, 85 photos of celebrities who totally get it: