According to Official Guinness Records,
Until Monsters Vs. Aliens (USA, 2009), animated movies were converted to 3D after completion;MvA, however, was shot in a stereoscopic format from the beginning, an expensive premium process that added $15 million (£9.4 million) to the budget.
For a complete list of 2009 records, please visit 2009 Guinness Records in United States.