As excitement around the Met Gala continues to rise ... Past guests have included everyone from Rihanna and Lady Gaga to Blake Lively and Kim Kardashian -- all wearing unforgettable looks.

There are several celebrities without whomst the Met Gala simply isn’t the same — including but not limited to Rihanna, Jared Leto (due to his always unhinged outfits), and Blake Lively.

Met Gala guests, suit up! That was the order from on high as the Metropolitan Museum of Art revealed the dress code for its annual lavish celebration of fashion in May: “Tailored for You,” a ...