Daisy and Jan de Villeneuve, Charlotte Olympia Dellal, Andrea Dellal, Erin O’Connor and Marissa Montgomery were among the guests.
The collection is to launch in May.
Some 150 brands are selling merchandise, including Pringle of Scotland and Osman.
Brand talks collaborations, growth ahead of show on Feb. 19.
Parties to celebrate the events took place in London on Tuesday night.
Charlotte Olympia Dellal re-works some AP signatures and also creates boudoir-inspired footwear.
The designer scooped the two top prizes at the British Fashion Awards on Monday night.
Designer nominees attend dinner in London ahead of British Fashion Awards.
The line will be sold on matchesfashion.com with all of the proceeds to aid the Save the Children charity.
Julia Peyton-Jones, Charlotte Dellal win accolades for services to luxury industry.