Sacha Baron Cohen goes undercover in his underpants for Grimsby

WALKING the red carpet in little more than a grubby polo neck, blue Y-fronts and socks-and-slippers combo would be a humiliating concept for most stars.
But for Sacha Baron Cohen, it was simply a chance to debut his latest alter ego — Nobby, a beer-bellied, terminally-unemployed football fan — at the premiere of his latest film Grimsby, in London’s Leicester Square.