1. Cher or Dionne from Clueless pinterest.com In the words of Cher herself: "Classic!" 2. Daria and Jane sodespair.deviantart.com 3. Wednesday Addams xa0.xanga.com Perfect for people who hate Halloween — just wear black and scowl. 4. The Girls from The Craft instagram.com Any excuse to dress like a goth schoolgirl... 5. Sailor Moon autumnenglish.com 6. The Spice Girls pinterest.com Obviously. 7. Kelly Kapowski pinterest.com All you need for the queen of Bayside is a school sweatshirt, some floral spandex, and some teased bangs. 8. Buffy from Buffy the Vampire Slayer Flickr: 97282759@N00 Leather jacket + flare pants + stake = Buffy. 9. Helga Pataki from Hey Arnold pinterest.com Now you don't have to tweeze your eyebrows for the month of October. 10. Romy and Michele peaceloveshea.com / Via Peace Love Shea OMG you guys are awesome. 11. Log Lady from Twin Peaks buzzfeed.com Get a log. Act weird. Bam. Halloween costume. 12. Lydia from Beetlejuice Flickr: ironhide Although it came out in 1988, '90s girls watched this movie on VHS obsessively. If you don't happen to have a red '80s prom dress lying around, you can always do a schoolgirl outfit — just get those spiky bangs right and you're good to go. 13. The Chipettes from Alvin and the Chipmunks pinterest.com As long as you don't do the high-pitched voices all night, this could be totally cute as a trio costume. 14. Gwen Stefani pinterest.com Ohhh, the choices with Gwen. Are you going to be Rock Steady Gwen? Harajuku Gwen? Bindi Gwen? Blue-hair Gwen? 15. The Sanderson Sisters from Hocus Pocus pinterest.com 16. Sarah from Labyrinth pinterest.com Whoa! OK, you win. We can all go home now. (Technically, Labyrinth is an '80s movie, however it became a cult classic with '90s girls as well.) 17. Corey Mason from Empire Records pinterest.com 18. Angela Chase from My So-Called Life instagram.com Otherwise known as you, 15 years ago.