According to Perez Hilton, the singer was appropriately dressed for the occasion, a dinner party hosted by the designer himself, Azzedine Alaïa.
Rihanna snapped a few Instagram photos of herself with the Tunisian-born designer, calling him a "living legend."
"Had dinner with super cute Mr Alaia in his kitchen!!" she captioned one of the pics. "Moments I'll def share with my kids one day!"
Swim Week Miami Beach 2014 [PHOTOS]