6. Tiffany & Co. Charm Necklaces.
A Tiffany & Co. charm necklace, a hot pink velour sweatsuit, and an oversized Louis Vuitton bag was basically the starter pack for a cool teenage girl in the early aughts. And while other jewelry from Tiffany’s will always be timeless, this heart-shaped accessory is a relic from a different era. Plus, it looks like dog collar.