Alexa wears silk-organza ballerina skirt. £2.075. Chanel. Jacket.£1i50. MeadhamKirchhoff.at Browns Focus. Ballet pumps. £65. French Sole. T-shirtand jewellery. Alexa’s own. Portraits throughout: Neil Gavin. Sittingsed ¡tor throughout Emma Elwick Alexa Chung the ballerina skirt,Алекса Чанг,Alexa