1. When they ask if anyone objects to the wedding stand up, clear your throat, start to say something, and sit back down.

2. Try hitting on the bride after the ceremony.

3. Start making bets as to how long it will be until they divorce.

4. Invite your ex wife or husband.

5. During the ceremony, talk loudly on your cell phone and say "Thank God Nikki doesn't know what Jeff was doing last night at the bachelor party."