Asked what hope she holds for the couple's union, Ms Greer's prediction was bleak.
The likes of Erdem, Christopher Bailey and Ralph & Russo, who designed Markle's $100,000 dress seen in her engagement photos, have all been rumoured to be doing the honours.
"It's a attractive couple, and it's great to see they found love and I just feel like it's going to grow because there's a generation who are going to discover the royal family in a slightly different way - I think this is a really good time for Meghan and for Harry".
Previously know as "Random Encounters" during its United States release run 5 years ago, the film wastes no time in placing Meghan Markle prominently on the DVD artwork, despite being a supporting actress. "I can't think of single reason", she said. Before the wedding day, stayed a month, and still not aware of some interesting details, for example, who are the designers making a dress of the bride.
They are scheduled to be Wednesday at Windsor Castle on May 19 and more than 2,500 people have been invited to attend the event.
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The Birmingham-based enterprise impressed the royals when they visited the city last month, and also got a taste of some of her macaroons.
One source said that Chicago police provided security for Meghan but did not give her an actual escort as she went through the airport.
And Mr Fitzwilliams said Harry and Meghan are unlikely to be under obligation to invite Pippa - or any expected guest for that matter.
Perhaps you know something I don't know.
Giant screens across Windsor will show the Royal Wedding and procession live, it was revealed today (Saturday). They look so happy, - replied the wife of David Beckham.
A laughing Corden then said: "She's totally going!" adding, "Oh well, how exciting". "I was like, 'This is gonna be great".