On April 29, 2011, Prince William will wed Catherine Middleton against the historic backdrop of Westminster Abbey.

Join the festivities by leaving a note for the prince and future princess in the pages that follow, or read the wit and wisdom of others in messages left for them.

Leading up to the wedding, get the latest on all the royal details from ABCNews.com's special section, and tune in on April 29 to watch the royal couple exchange their marriage vows.