Christie Brinkley is a keen gardener, and the model might just have one of the best celebrity gardens out there – but it also features a small nod towards a Hollywood legend.MORE: Christie Brinkley floors fans with tour of immaculate garden at $29.5million homeIn a series of pictures on Instagram, Christie showed off her glorious garden in all its glory, complete with floral arches and an area for chickens to happily roam.WATCH: Christie Brinkley's garden belongs on a movie setThe 67-year-old