Fashion’s best documentaries – plus a chance to see Dior & I

From creative clashes to the crude sign in Chanel HQ’s men’s toilets, these documentaries reveal the truth behind the glamour of fashion

Hello, Kitty: Japan’s obsession with cats hits New York

Centuries before Maru the YouTube star, cats were revered in Japan – despite the fact they are not native to the country. That love endures, as a new show reveals

Van Gogh’s fading Sunflowers… and other tales of decaying art

Supposed damage to Van Gogh’s paintings is minimal, but other masterpieces by Leonardo and Duchamp et al are showing the ravages of time

Paris fashion week: latest Céline collection evokes woodland wildlife

Designer Phoebe Philo delights in springing surprises on the fashion industry with Sunday’s show, littered with images of otters and foxes, her latest curveball

We must keep up pressure on China to end the ivory trade

Campaigns to reduce demand for ivory are succeeding in pushing China into action against illegal trafficking, but there is still much more to do

Too cool for school: Saint Laurent’s signature look is out in force

Skinny jeans, leopard print and a rockstar-heavy front row. It must be the Saint Laurent autumn/winter 2015 collection