Sydney McLaughlin had a change of heart when it came to her wedding dress ... envisioned myself in a ball gown, just because I wanted something that had a really long train," she shared.

Designers Elizabeth and David Emanuel were tasked with creating the royal wedding gown and took several precautions to keep the dress a secret ... However, the train was so long that it had ...

“The dress was so ... strapless black gown Diana wore to a gala charity concert on May 22, 1981, and the daring hot-pink number the princess wore to her pre-wedding ball, both designed by ...