There are about a billion reasons why '90s Halloween costume ideas are the best ideas. ... Hipster glasses, a green blazer, and a smug look is all you need to make this costume happen. 20. '90s Girl.

As If! The Costumes Every '90s Girl Will Want to Wear. By Aemilia Madden. Updated on Oct 29, 2016 at 3:30 PM. Paramount Pictures.

These '90s Halloween costume ideas that will make everyone say, "OMG, I remember that!" From Clueless to your fave cartoon shows and girl bands.