Rachel Bilson Just Dropped Some Interesting Info About 'The Hills' & Mischa Barton

Rachel Bilson has revealed some very interesting info about the MTV series The Hills: New Beginnings, which is a reboot of the beloved reality series The Hills. The 39-year-old actress previously starred on the Fox drama series The O.C. alongside Mischa Barton, who is part of the revival series. Click inside to find out what