As the party season creeps up on us there's a high street store that has the answer to your every cocktail-dressing dilemma.

From Kristen Stewart's bloody baseball player costume to Lupita Nyong'o's 'Clueless' look, here are 43 celebrity costumes you can easily assemble just in time for Halloween.

The Academy Museum Gala fashion winners include Selena Gomez in Armani Privé, Olivia Rodrigo in Armani Archivio and Ayo ...