Both of these books are by Simon's Pulse books for teens and have very similar cover styles. These make for very light reading and are kind of original.
How Not to Spend Your Senior Year by Cameron Dokey
Because Jo O'Connor's father is a witness in an ongoing murder investigation, they must leave town and make it appear that they died in a car accident, but Jo can't bear to leave without saying good-bye to her boyfriend, who now thinks she's a ghost.
Ripped at the Seams by Nancy Krulik
Arriving in New York City with dreams of becoming a successful designer, Sami quickly learns that the big city is a lot different than her small town in the Midwest when her ideas are stolen and she is blacklisted from getting another reputable job, yet not willing to quit, Sami regroups and comes up with a plan that gives her all the notoriety she could ever want.