What can we expect? New footage for Halo 4 and Forza Horizon, the full unveiling of the new People Can Fly-developed Gears of War, and a shed load of new Kinect games.
> Follow our on-going E3 2012 coverage
You can follow the action with the video live stream or via our blog updates below. The conference will start at 5.15pm BST / 2.15pm EST / 9.15am.