Because you like Donna Carmichael in Mamma Mia!

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

Most kids hope for a car for their 16th birthday, but Mia Thermopolis' present is a country to rule. See them in The Princess Diaries.

Although life in a post-apocalyptic world is far from easy, Julie Grigio maintains her sense of humor. See them in Warm Bodies.

Tiana lives by a simple motto: "Fairy tales can come true. But you gotta make them happen, it all depends on you." See them in The Princess and the Frog.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.

The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.

Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.

Moana is brave, adventurous, and dutiful. And with the ocean on her side, there's no telling how far she'll go. See them in Moana.

Juliet Capulet falls head over heels for her rival family's resident sweet talker, Romeo. See them in Romeo & Juliet.

Jasmine dreams of something more than palace life, and she's not afraid to go get it. See them in Aladdin.

The biggest lesson from this inspiring teacher? Carpe diem. See them in Dead Poets Society.