I celebrated by finally buying a flashlight.
The State Of Tennessee celebrated by naming Life As We Knew It their winner of the Volunteer State Book Award (grades 7-12)
Scooter celebrated... well, suffice it to say, he celebrated.
Or, as Miranda puts it, in This World We Live In:
There is nothing more beautiful than half a roll of toilet paper.
I hope the end of the world is as much fun for you as it has been for me!