Popsugar Fashion Olivia Palermo Olivia Palermo Style Best Dresses Olivia Palermo's 65 Best Dresses February 28, 2017 by Hannah Weil McKinley View On One Page Photo 15 of 65 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 Olivia slipped into an ethereal Valentino gown at the "Masquerade Retrograde" at the Museum of Natural History in April 2015. Previous Next Start Slideshow Olivia PalermoDressesStyle Profile