Michael Bay and his Transformers 3 cast and crew are currently filming in Chicago and causing some serious Bayhem on the streets of the Windy City. Check out the videos below which show some serious explosions, some Autobots make an appearance, and some of the film’s stars – Josh Duhamel, Shia LaBeouf, Tyrese Gibson, newcomer Rosie Huntington-Whitely and Michael Bay himself show up and interact with fans on the streets of Chicago.

Transformers 3 stars Shia LaBeouf, Josh Duhamel, Tyrese Gibson, Rosie Huntington-Whiteley, Frances McDormand, John Malkovich, Kevin Dunn, Julie White, Ken Jeong, Patrick Dempsey and Alan Tudyk.

On the set: Transformers 3 – Chicago

Behind the Scenes: Transformers 3 – Chicago

Transformers 3: Michigan Ave, Chicago

Transformers 3 is slated to hit theaters on July 1st, 2011.