Don’t you forget about him. The “Breakfast Club” star Judd Nelson looked nearly unrecognizable while out on his motorcycle in a rare public sighting. The actor, 66, was all smiles as he stepped out in West Hollywood, California, on Saturday afternoon. Nelson, who portrayed John Bender in the 1985 John Hughes-directed movie, rocked a bushy beard, sunglasses and a gray hat. He braved the heat in layers, wearing a brown T-shirt, flannel and black blazer. The “New Jack City” star also sported cargo pants and brown boots. Nelson threw on a helmet before taking off. The “St. Elmo’s Fire” star tends to shy away from the spotlight and was last…