Fashion priestesses get holy at New York Met Gala Madonna and Rihanna stun as fashion high priestesses on the red carpet at New York's Met Gala, headlining the most sought after invitation in the celebrity universe. If A-listers have shunned the theme in the past, this year's "Sunday Best," a nod to the "Heavenly Bodies: Fashion and the Catholic Imagination" exhibition at The Costume Institute, proved popular.