They worked seven days a week and lived with their young baby, Pebbles, in a rented flat with everything borrowed, including their bed.
Being fast learners, they didn't repeat the mistake of making a denim bikini which shrank when immersed in water.
Instead, there came a series of stand-out collections, including a collaboration of glitter suits with artist Reuben Paterson, in which World garments were acquired by the costume collections of Te Papa and Auckland Museum. Retail expansion followed, in tandem with the development of a boutique beauty business.
Castles joined the team 14 years ago and is now a director, shareholder and designer. He shares Hooper's passion for perfumery.
For 2015, the World look is a mix of its signature tailoring with individual flourishes. Monochrome pieces were particularly strong and, of course, there were show-stopping gowns.
We loved the 60s caps, the checked rabbit ear headpiece and Perspex jewellery that accessorised the looks, which can be seen up close as models wend around the tables.
• We are delighted to be giving away two tickets to the fashion-forward afternoon tea here. Or, you can purchase here.