Optimus Prime spotted in Utah's Monument Valley
There's been a major celebrity sighting in Utah's Monument Valley where this star of money-making movies and popular TV shows is filming his next summer blockbuster.
This Hollywood big wheel is Optimus Prime, the semi-trailer truck leader of the Autobots in the "Transformers" films. And director Michael Bay is shooting part of "Transformers 4" along the Utah-Arizona border.
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