How Irene Neuwirth’s colorful gems and aw-shucks demeanor charm celebs and real folks alikeApproximately one out of every five photos on jewelry designer Irene Neuwirth’s Instagram is of her dog, Teddy. Sometimes the shaggy white Labradoodle with a soggy snout is frolicking on the beach or enjoying some other typically canine pursuit. But just as often, Teddy’s decked out in a couple of brightly ­colored $50,000 necklaces made of opals or onyx, posing like the most unfazed, shabby-chic model you’ve ever laid eyes on. Between Teddy’s scruffy charm and his owner’s envy-inducing lifestyle—nights out with her BFFs Busy Philipps and Nate Berkus, bellinis in Rome with her movie-director boyfriend—Neuwirth’s account has amassed more than 13,000 followers. And it tells you pretty much everything you need to know about this year’s recipient of the Council of Fashion Des