Katie Nicholl, a long-time royal correspondent and author of "Harry: Life, Loss and Love," believes Markle will ultimately make a more conservative choice.
"I know that the smart money -- as far as the bookies are concerned -- is on Stewart Parvin, who is one of the queen's dressers. That would be a very, very clever choice if it is true," Nicholl told InStyle in March. "I think it'd be a clever choice because it would get her brownie points with the queen and certainly with the London fashion brigades."
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Parvin, who was made a member of the Royal Victorian Order in 2016, has dressed the queen for over a decade. As for his bridalwear, it is understated and elegant, which may appeal to the soon-to-be royal. Speaking to Glamour in 2016, when her Suits character Rachel Zane was meant to be getting married, Markle said: "Classic and simple is the name of the game, perhaps with a modern twist. I personally prefer wedding dresses that are whimsical or subtly romantic.Read more at:peach bridesmaid dresses | grey bridesmaid dresses