Picture a day on the set of a big-budget Hollywood film. The scene comprises pimped-out trailers peopled with an entourage of lovies. You have make-up artists and busybodies loading dressing tables with edible gold leaf (low cal, obv) and Peruvian mineral water chilled at exactly 1.5 degrees, not to mention L.A.’s most sought after spray-tanner contouring in washboard abs on some screen starlet’s 14” waist. Okay, now exit the trailer and look to your right…