Because you like Georgina Sparks in Gossip Girl

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

Sensual, wild, and with a penchant for controlled substances, Lily is a ballet dancer who isn't afraid to let loose. See them in Black Swan.

Emily Gilmore is the DAR chair, proud grandmother, and full of opinions. See them in Gilmore Girls.

Logan Huntzberger is a daredevil, romantic, and heir to a media empire. See them in Gilmore Girls.

Paris Geller is a newspaper editor, class president, and headed for Harvard. See them in Gilmore Girls.

Quinn Fabray can become a monster when there is something she wants. See them in Glee.

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

The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.

Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

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.