Ahead of this year's Met Gala, let's enjoy some memorable moments from years past, shall we? There have been hundreds of unforgettable looks from the extravagant annual event, which brings celebrities, models, designers, and artists to the Metropolitan Museum of Art in NYC. For a fun dose of nostalgia, look back at the best pictures of stars attending the Met Gala in the 2000s — and trust us, you're in for quite the trip down memory lane.