That sound you hear is every Twilight fan screaming in ecstasy as they see the new trailer for Twilight Saga: Breaking Dawn Part 1. There will be a marriage.
There will be a pregnancy.
There will be angry werewolves.
There will be some vampire sex!
And Taylor Lautner keeps his shirt on the entire time.
Check out the trailer below, and try not to scream so loud your neighbors are worried about you.
