This month the lavish Collectors' Dinner was held at New Bond Street ahead of the Impressionist and Modern Art and Contemporary Art sales and guests including the Duke and Duchess of Devonshire and Yana Peel, CEO of the Serpentine Galleries, enjoyed a speech by the historian Sir Simon Schama. Other events in June included a cocktail ahead of the Russian art sales and a benefit auction of Ornellaia wines at the V&A that was presided over by Sotheby’s. Click ahead to see highlights.