Celebrities descended upon New York City over the weekend for pre-Met Gala festivities, by which we mean multiple parties, including one at Anna Wintour’s house (casual), which Sabrina Carpenter was in attendance for. The “Please Please Please” singer arrived at the event wearing a gorgeous off-the-shoulder black dress with a sheer lace bodice and lace-paneled back. Aeon // Getty Images She accessorized with some giant diamond earrings, as one does, but the main event was definitely her manicure, which had subtle black lace-inspired detailing on the tips: affinitypicture / BACKGRID It’s perfect. In other news, Sabrina is coming off her new collab “Bring Your Love,” the lead single off Madonna’s “Confessions II.” The pair performed the song during Coachella (after “Vogue” and before “Like a Prayer”), where Madonna was a surprise guest during Sabrina’s set. Lyrics below, courtesy of Genius : Ask yourself this What are you doing it for? Is it for you? Is it for them?…