15 Throwback Halloween Costumes Every 2000s Girl Will Love

October is already upon us. Arguably the best time of the year, this month is filled with scary movies, crisp weather, pumpkins galore and giant leaf piles waiting to be included in basic AF selfies. Most importantly, Halloween is right around the corner. Not sure what to go as yet? Don't sweat it. If you love all things 2000s, then these nostalgic costume ideas are perfect for you. 

1. Avril Lavigne 

Who wouldn't want to be a punk-rock skater girl? 

2. Mary-Kate and Ashley

Your best friend will obviously be the Ashley to your Mary-Kate. Besides, you guys are already two peas in a pod. 

3. Hannah Montana

Ordinary student by day, glitzy pop star by night. 

4. Andie from How to Lose a Guy in 10 Days

Pushing boundaries all day every day, who wouldn't want to be this fabulously confident woman for a night?

5. Lizzie McGuire

Was there ever a more relatable character in the history of television? Absolutely not.

6. Cheetah Girl

Attitude, sass and a killer cheetah print wardrobe to boot.

7. Anna from Freaky Friday

Rebellion is your middle name.

8. Josie from Josie and the Pussycats

Making punk rock cool again since 2001.

9. Mia from The Princess Diaries

Who didn't want to be a Genovian princess turned queen when they were growing up?

10. Karen from Mean Girls 

Or any one of the Plastics will do.

11. Christina Aguilera

Genie in a bottle, anyone?

12. Britney Spears

Oops, you did it again. 

13. Kim Possible

Call me, beep me, if you wanna reach me.

14. Zenon 

Your costume will be literally out of this world.

15. Elle from Legally Blonde

Who said blonde ambition was a bad thing?