Christa Allen's first big role was as Young Jenna Rink on 13 Going on 30.
Since then, you can see her in the films Ghosts of Girlfriends Past and Youth in Revolt. She is currently working on Detention of the Dead, which comes our in 2012.
Christa as also had a recurring role in Cake, as well as guest appearances on Medium, Cory in the House, The Suite Life on Deck, Grey's Anatomy, ER, CSI: Crime Scene Investigation, Wizards of Waverly Place, and Cold Case. You can currently see her on ABC's Revenge.