The stamps feature dresses worn by the Duchess of Cambridge, Amy Winehouse and Gwyneth Paltrow.
The 16-piece capsule is set to launch in October.
Guests included Emilia Wickstead, Richard James, Rupert Sanderson and Stephen Jones.
The huge blaze began late Tuesday at Grenfell Tower in West London and was still raging on Wednesday morning.
Six months into the job, Sergio Bucher has laid out his strategy.
The London-based label takes aim at young professionals.
Howard and castmate Matthew McConaughey attended the New York premiere of “Gold” on Tuesday night.
The young royal transitioned her look from day to evening with aplomb.