The singer dropped a 45-second GRWM video of the prep for their big night out on Monday. Rihanna attends the 2026 Met Gala celebrating "Costume Art" at the Metropolitan Museum of Art on May 4, 2026 in New York City. Dimitrios Kambouris/Getty Images for The Met Museum/Vogue Trending on Billboard There are the get-ready videos you and your friends make, and then there’s the GRWM clip Rihanna posted on Thursday (May 7) of the intense prep it took for her and partner A$AP Rocky to (just barely) make it to the Met Gala on Monday night. Explore See latest videos, charts and news You can see now why the perennially fashionably-late-to-the-party “This Is What You Came For” singer was one of the last A-listers to walk the carpet at the annual fashion Super Bowl earlier this week in the 45-second clip chronicling her prep .…