Karen Mean Girls Mouse Costumes

Joining the Mean Girls clique was never easier than now thanks to this Karen Smith Mouse Costume.  This sweet look features a black, ruffled baby doll dress that fits over a one-piece bodysuit.  The shiny ribbon belt cinches the waist and helps to form Karen's iconic look from the film.  Wear the grey fur headband with fuzzy mouse ears to finish off her costumed look and practice the head tilt while you say, "I'm a mouse, duh!" to the delight of all your Mean Girls fans!  - Bodysuit - Dre... [Read More]

Need a quick and simple costume for Halloween? Then dress up in our fun I'm A Mouse Costume Kit for adults for a super cute look. This sweet costume set includes a black crewneck t-shirt with the beloved quote "I'm A Mouse, Duh!" and a headband with pink and gray mouse ears. Pair it with some mouse whiskers or other sweet costume accessories to complete the look and you'll be ready for trick-or-treating, costume contests and themed parties. This adorable costume kit for women comes in one size a... [Read More]

This mug features an image of Karen Smith from the costume party that reads "I am a mouse duh!", from the hit teen comedy film "Mean Girls".

You cannot sit with us unless you are wearing one of these officially licensed Mean Girls graphic tees, hoodies, and sweatshirts. Remember, on Wednesdays we wear pink!

You cannot sit with us unless you are wearing one of these officially licensed Mean Girls graphic tees, hoodies, and sweatshirts. Remember, on Wednesdays we wear pink!

You cannot sit with us unless you are wearing one of these officially licensed Mean Girls graphic tees, hoodies, and sweatshirts. Remember, on Wednesdays we wear pink!

You cannot sit with us unless you are wearing one of these officially licensed Mean Girls graphic tees, hoodies, and sweatshirts. Remember, on Wednesdays we wear pink!

Clover Girls Store has many great designs about funny quotes, hobbies, pets, professions. Get your humor mode on with our funny shirts. Looking for that Birthday tshirt or just the best cotton men's tee, you found it. You or your friend will be proud when wear our awesome designed shirts that present your personality.

Clover Girls Store has many great designs about funny quotes, hobbies, pets, professions. Get your humor mode on with our funny shirts. Looking for that Birthday tshirt or just the best cotton men's tee, you found it. You or your friend will be proud when wear our awesome designed shirts that present your personality.

This poster features an image of Karen Smith (Amanda Seyfried) from the costume party that reads "I am a mouse duh!", from the hit teen comedy film "Mean Girls". **Frame by Larson- Juhl (A Berkshire Hathaway brand.)** Frame Details: Finish: Classic Matte Black Frame Width: 1 1/4" Frame Style: Contemporary, Classic Frame Height: 1" Frame Rabbet: 11/16" Material: High Quality Engineered Wood**