Mia Thermopolis Halloween Costume Ideas

Thank heaven, Disney adapted Meg Cabot’s “The Princess Diaries” into a movie. If they hadn’t who would have taught us the following life lessons?

  • Never underestimate the importance of a good brow wax.
  • “Shut. Up.” can be easily misinterpreted.
  • It’s always okay to let your freak flag fly.
  • Never change clothes on the beach.
  • The only way to say “I’m Sorry” is with M&Ms on a pizza.
  • “No one can make you feel inferior without your consent.” -Eleanor Roosevelt
  • “From now on, you’ll be traveling the road between who you think you are and who you can be. The key is to allow yourself to make the journey.” -Phillipe Renaldi
  • If it’s a good kiss, your foot should most definitely pop.

It’s simple really. The answer is no one. No one could have taught us these things but pre-Oscar Anne Hathaway as Mia Thermopolis, one of the most lovably awkward teenagers ever to grace the big screen. And for that, we’re eternally grateful. So who better than your adolescent hero to dress as for Halloween this year?! The best part is, a lot of these outfit pieces can probably be found in your own closet or the Goodwill store. Check out the following Mia Thermopolis Halloween costume ideas for some throwback Disney goodness.

“A-List Wannabe Mia

School Uniform inspired outfit

Knee High Socks

Clunky shoes

Bucket Hat


Mia Thermopolis Halloween Costume Ideas - the Lala

Post makeover Mia is shouldering a lot of guilt, and let’s face it, her BFF, Lilly, doesn’t help much in the understanding department. A bucket hat is imperative for this costume. Remember that perfect blow-out she was hiding? Who would want to flaunt that?

“My Foot Didn’t Even Pop” Mia

Light Blue Tank Top

Purple Sweater

Lime Green Sarong or Fabric


Net or Yarn

Mia Thermopolis Halloween Costume Ideas - the Lala

Mia had a lot riding on this beach party. She was supposed to get her first kiss! But nothing dampens the mood like paparazzi and a bro looking for his 15 minutes of fame. Slip your foot through a volleyball net (or some strategically placed yarn) to reenact this infamous scene.

Mia Thermopolis Halloween Costume Ideas - the Lala

“Wet, Sort-of Grungy Look” Mia

Blue Tee

Lavender Zip-up Hoodie

Boot Cut or Flare Jeans

Tennis Shoes (or technically, Doc Martens)

Wet Hair


Mia Thermopolis Halloween Costume Ideas - the Lala

She may have fought her way there through a thunderstorm, but she made it to her coronation, and that’s all that matters. Someday we hope to gain the same sort of love and approval from Julie Andrews. Hey, a girl can dream, right?

You may be thinking, “Sure, these are great, but will anyone get it?” They may be a little obscure, but if you’re hanging out with your girlfriends, you’re sure to get some nods of approval. Plus, who ever said Halloween was for everyone else? Sometimes it’s fun to just do it for you. The Princess Diaries would make a great theme for group costumes, too. Think about adding Lilly and Michael Moscovitz, Josh Bryant, Lana Thomas, or Jeremiah the Magician.

Happy Halloween, Lala-loves!

Caitlin Benner

Contributor, Purdue University Grad Her heart belongs to: Her hilarious husband, Caleb, her cat, Giselle (named after the Disney princess in Enchanted), her family, and coffee. She's 90% water and 10% caffeine...and also a huge Gilmore Girls fan. Take her away to: Walt Disney World

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