How well does he know her?

No list would be complete without this classic. Grill the groom-to-be with your tricky questions (we recommend 20) before the party, and keep his answers safe. Then your lucky ladd will whip out his best Game Show impressions on the big night. Hopefully their answers will be identical, but if not (you’ve guessed it) it’s time for a forfeit. Maybe a shot, an embarrassing confession, or a dare, the more creative the better.