It's official. Michael Bay has called wrap on his upcoming sequel Transformers: Revenge of the Fallen, which is part two of the Hasbro toy line franchise that hit big in 2007 with Transformers. Nelson reports from Michael Bay's own personal blog with the following message:

Nelson here. As of this week, principal photography for Transformers: Revenge of the Fallen has ended. Congrats to Michael and his team.
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That means the film is heading into the editing suite, where it will be completed for a June 26th, 2009 release date.