Warhol’s soup cans and psychedelic dancing stars of Tate exhibition

Major six-month show at Tate Modern will present artist who ‘reimagined what art could be’

Watches of Switzerland considers stock market listing

UK’s biggest seller of Rolexes could be valued at up to £800m, if plan goes ahead

Flushed with success: solid-gold toilet to be installed at Blenheim

Visitors will be able to spend 18-carat gold penny when artwork arrives at country house in autumn

The fashion diplomat: what Michelle Obama wore on her book tour

Arena tour for bestselling memoir was always going to challenge fashion convention

V&A car exhibition to mark ‘most important 20th century object’

Museum will feature 15 vehicles from the Ford Model T to the Patent-Motorwagen No 3