On April 29, 2014, designer Alvin Valley hosted an intimate dinner for portrait photographer Cristina Macaya to celebrate their collaboration, the “Where Are My Pants?” series, in a private room at Omar’s La Ranita. Women including Sadie Friedman, Nicole Hanley Mellon, Minnie Mortimer-Gaghan, Kick Kennedy, Julia Loomis, and Alexandra Von Furstenberg, all went “pant-less” to …