Pour milk, strawberry crush and vanilla ice cream into blender jar and blend till smooth.
Drizzle 1 tbsp chocolate syrup into each of 4 glasses and rotate them so that a design is formed on the insides of the glasses. Keep the glasses in refrigerator for 2-3 minutes.
Pour the strawberry milkshake into the chilled glasses and garnish with colourful vermicelli. Serve chilled.