On the first Monday in May – 6 May, that is – the worlds of film, fashion, music, sports, politics, and social media will collide to grace the steps of the Metropolitan Museum of Art for its annual Costume Institute Benefit. Celebrities from around the globe will gather to enjoy cocktails, dinner, and explore the latest exhibit, “Sleeping Beauties: Reawakening Fashion.” So, as the excitement builds, let’s dive into everything you need to know about the dazzling spectacle. What’s the point of the Met Gala?It started in 1948 as a society midnight supper, attended mainly by New York’s elite. It h…