David Oyelowo takes Greg Williams to the barbers.

SANDY POWELL
The award-winning British costume designer who regularly reteams with the cream of directors tells Arianne Phillips about starting out
David Oyelowo takes Greg Williams to the barbers.

The award-winning British costume designer who regularly reteams with the cream of directors tells Arianne Phillips about starting out

Greg Williams looks back on two decades of capturing the BAFTAs, and the Cartier gems that shone on the biggest night in British film