Rihanna fans were left disappointed when their fave didn’t turn up to the Met Gala last night, after teasing her outfit just days ago. If anyone knows how to slay the Met Gala, it’s Rihanna. Every year, fans look forward to seeing what fashion tricks the singer will be pulling out next, but unfortunately, we’ll have to wait until 2025 for her next look. Although the star was expected to attend the event with her partner, A$AP Rocky, sources say she unfortunately came down with an illness. Rihanna skips Met Gala ‘after coming down with flu,’ sources sayFans were searching the internet for answe…