Cheshire cat (theatrical costume for "Alice the Musical")
Alice's Adventures in Wonderland (Not Disney)

Sweetie Belle (Gijinka)
My Little Pony Friendship is Magic

Cornelius
Thumbelina

Princess Celestia (Gijinka)
My Little Pony Friendship is Magic

Nami (time skip)
One Piece

Alice
American McGee's Alice (pc game)

Pinkie Pie
My Little Pony Friendship is Magic

Mio (Don't say lazy)
K-ON!

Rima Touya (Night Class Uniform)
Vampire Knight

Yukiko Amagi (Winter uniform)
Persona 4

Mother Gothel
Tangled

Umbreon (Gijinka)
Pokemon

lady amalthea (human)
The Last Unicorn

Kero
Cardcaptors

Boa Hancock
One Piece

Sailor Pluto (regular costumes)
Sailor Moon

Haruhi Fujioka
Ouran High School Host Club

Quirrel/Voldemort (Voldemort side)
Very Potter Musical

Blair (No hat - ears on show)
Soul Eater

Mad Prince Seeu
Planet Ladder

Meg
Disney Hercules

Bellatrix Lestrange
Harry Potter

Landstrider
dark crystal