Dress rehearsals are taking place in Windsor ahead of Saturday's royal wedding with thousands of well-wishers lining the streets.<br /><br />Video filmed today (May 17) shows the open-top carriage that Prince Harry and Meghan Markle will be using on Saturday taking part in the rehearsal. <br /><br />According to reports, the couple have chosen an open top Ascot Landau carriage, built in 1883.
