Kelly Wearstler, the visionary whom The New Yorker calls the “grande dame of West Coast interior design,” has debunked any idea that her panache thrives only along a specific coastline.  Though praised for her playful, vibrant interpretations of Hollywood Regency at California’s top boutique hotels and in the homes of her A-list clientele, she recently debuted a sleek, monochromatic look at the Four Seasons Resort and Residences Anguilla in the British West Indies.