Ai Weiwei: ‘An artist must be an activist’

The Chinese artist answers questions from Observer readers and art world luminaries on creativity and protest, Chinese politics – and why he never cooks the same dish twice

Virgil Abloh: the red-hot renaissance man shaking up fashion

Virgil Abloh is fashion’s hottest designer. We meet the man whose orange brick has people queuing round the block

The best thing I ate in 2018

Tacos in Philadelphia, doughnuts in Cleethorpes, grilled lamb in Istanbul – cooks and writers including Prue Leith, Nathan Outlaw and Clare Smyth pick their culinary highlights

Imran Amed: meet fashion’s most influential man

Imran Amed’s website, the Business of Fashion, is the oracle of the style world. As its top 500 power list is published, we ask how he’s got designers and editors hanging on his every word

Nathan Outlaw: Family-friendly recipes from the Michelin-starred chef

At his Port Isaac base, the chef discusses his far-flung restaurant empire and introduces foolproof dishes from his new Home Kitchen cookbook – including sticky toffee pudding and pork chops with broad beans

Frozen in time: Salvador Dalí’s dinner parties, Paris, 1973

The artist’s foray into food and cookery was just as surreal as his paintings, as his recently republished book Les Dîners de Gala illustrates