Vogue and now Gucci: fashion takes steps outside a whitewashed world

Hopes Edward Enninful’s appointment as editor and Italian label’s campaign featuring only black models are part of long-term move towards diversity

Hans-Ulrich Obrist tops list of art world’s most powerful

Artistic director of London’s Serpentine Galleries, dubbed ‘curator who never sleeps’, wins ArtReview’s accolade for second time

Robert De Niro gets go-ahead to open London hotel

Actor’s third hotel, the Wellington, will be a luxury 83-bedroom boutique establishment in Covent Garden

Sir Elton John and JK Rowling listed as most charitable UK celebrities

Singer donated £26.8m and author gave £10.3m in 2015, though Sainsbury family top list of wealthy givers with £220m

Middle class people dominate arts, survey finds

Findings also reveal extent to which gender and ethnicity influence prospects of entering and gaining fair deal in industry

Swiss couple Iwan and Manuela Wirth top art power list

Wirths praised for changing model of how art is bought and sold, while Ai Weiwei ranks second and Nicholas Serota falls to fifth