House rules

Designer and bon viveur Jonathan Adler reveals the must-haves and bits of bad taste no Christmas home should be without

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Bad taste is like a splash of paprika. So said the great aesthete Diana Vreeland, and I agree: excess is the little bit of spice that adds instant va-va-voom. And Christmas isn't the moment to hold back.

Bright lights are a Christmas essential. Yes, they should flicker; yes, they should be multicoloured; yes, they should make people feel like they want to dance.