Because you like Andie Anderson in How to Lose a Guy in 10 Days

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

People think Karen Smith is a dumb blonde, but she disagrees and is proud she can predict the weather with her breasts. See them in Mean Girls.

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

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.

Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.

After becoming accepted into the group of popular girls, Tracy Freeland has turned from a sweet and reserved teenager into a monster. See them in thirteen.

A deadbeat dad and small-time con-artist, Frank Gallagher gives nothing and yet expects everything. See them in Shameless.

Brilliant but self-destructive, Lip Gallagher spends more time stirring up trouble than hitting the books. See them in Shameless.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

Curving free kicks and crosses is tough, but keeping her soccer passion from her disapproving family is way tougher for Jess. See them in Bend It Like Beckham.