Watch Next-Gen Xbox Reveal Event Live Stream HERE at 10 AM PDT/6PM BST

The Next-Gen Xbox Reveal event will start on May 21 at 10:00 AM Pacific Time, 6PM British Summer Time. The event will be one hour long, according to Major Nelson. Make sure you come back to catch all the action live below directly from the Next-Xbox Reveal Event Venue.
The video has been provided by GameTrailers via TwitchTV

NOTE: Live Streaming in the video above will begin half-an hour before the event starts.