Many experts are predicting that Meghan will choose a narrower silhouette and clean lines for her gown, like this simple Theia number. After all, she once told Glamour that Carolyn Bessette Kennedy's unadorned slip dress was her favourite wedding dress of all time. It's definitely a look that she could pull off — especially if she borrows some jewels from the queen — but if you're marrying a prince in a wedding watched by millions, surely you'll give in to the pressure to wear something a little bit more dramatic?