The Met Gala is the perfect excuse for these celebs and more to show off their jewelry collection. From Kim Kardashian borrowing Marilyn Monroe's 1962 Jean Louis crystal-embellished dress to Cardi B covering her nipples with $500,000 rubies, these stars just get it when it comes to sparkling the night away. Keep scrolling to see the top 5 most expensive looks at the Met Gala through the years: