13 Going on 30 (2004)

Storyline:
After total humiliation at her thirteenth birthday party, Jenna Rink wants to just hide until she's thirty. Thanks to some magic wishing dust, Jenna's prayer has been answered. With a knockout body, a fabulous wardrobe, an athlete boyfriend, a dream job, and superstar friends, this can't be a better life. But soon Jenna realizes that adult life isn’t as easy as she hoped for.