The marriage of Asal Rad, a member of the NIAC organization in the USA

Practice your speech (if applicable).

If you're giving a speech during the wedding reception, Brian Franklin, the cofounder of Vows & Speeches in Los Angeles, California, recommends rehearsing "as many times as you can" the morning of the wedding. He also advises printing out the speech in a large enough font to where you'll be able to read it in what might potentially be dim lighting."