fashion director at You & Your Wedding magazine, suggested the new royal bride would opt for something traditional, but with a modern twist.
'The dress would have to be a lot grander than most of the dresses we see in real life. She's got a great figure so in a way she can carry off most dresses, she added.
Britain's fashion industry will be hoping Kate will fly the flag for the UK and pick a home-grown talent to work on her dress.
Keeping to tradition would be an important consideration for the future Princess. 'Something like a bright red dress isn't going to work because it would offend,
'The good old British public would be outraged. We expect the royal family to keep to tradition. She's never going to please everybody so I think she will go down the traditional route but hopefully with an added something - a modern twist.
'For years people were wearing versions of Diana's dress. It should have been celebrated at the moment and then left.
Oldfield, known for his stylish, glamorous creations, was once Diana's favourite couturier. He has described Kate Middleton in the past as more 'sophisticated' than 'Shy Di' and 'clean and fresh', adding: 'I do think Kate Middleton actually looks very good.'
Lepley, based on the Fulham Road in London, makes simple elegant couture bridal gowns.
'It's for very posh English girls. Lots of lace, very understated, but if you know, you know,'
Whatever the future Queen finally chooses to walk down the aisle in, it is likely to influence bridal wear for years to come.
For Britain's fashion industry, this new wedding could be a chance for domestic talent to shine on a very public global stage.
'It would always be good to choose British because we have so many fantastic designers here. 'They are very capable and I am very supportive of the British industry.'