‘It is a different world’: Damien Hirst takes to lockdown life and work

Artist admits he is in a privileged position as rainbow prints go on sale to raise money for charities

How Instagram changed our world

It started as a photo-sharing platform, but quickly rose to become the most influential app of our generation. Now, a forensic new book reveals the struggles and eccentricities of the men behind Instagram

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

Anish Kapoor: ‘Artists are not makers of luxury goods’

The artist on working with the world’s blackest substance, the troubled legacy of his Olympic sculpture and the state of the art world today

Gucci’s creative director: ‘Fashion is not only about garments’

Alessandro Michele has boosted brand’s global sales but CEO warns of coronavirus impact

‘I’ve always been a rebel’ – Vivienne Westwood on squaring environmental activism with selling fashion

Why playing cards can save the planet and the pure bliss of falling in love – Jess Cartner-Morley meets queen of punk and her co-designer and husband