New 26+ Street Style Lily Collins Outfits. Lily collins at the saint laurent fashion show in paris. But we've never thought to style our boring old shirts like this. It's the prom inspiration you desperately needed, by way of one of our favorite red carpet luminaries. Lily collins attended the saint laurent fashion show in paris wearing a spring 2020 sequin romper (not available yet) and newton leather & metal pumps ($995.