The countdown is on for the big 'Transformers: Dark of the Moon' Moscow premiere, and it’s going to be history in the making!ET's own Mark Steines, official Russian visa in hand, will join 'Transformers' director Michael Bay, stars Shia LaBeouf, Josh Duhamel, Tyrese Gibson and new co-stars Patrick Dempsey and Rosie Huntington-Whiteley as they take over Red Square for an event the Russians will never forget – featuring a performance by Linkin Park, a huge part of all of the 'Transformers' soundtracks, for 20,000 fans.Stay tuned to ET for all the excitement from behind the former Iron Curtain! (ETonline.com)