"Yup! This happened!!!! #StillScreamingInside" Oscar winner Lupita Nyong'o was left starstruck during a meeting with Beyonce at the 2014 Costume Institute Gala in New York on Monday (05Apr14). She posted a photo of herself alongside her 12 Years a Slave co-star Sarah Paulson, Beyonce, and her sister Solange Knowles.