Last week, Katie Holmes 's peep-toe pumps revealed just the tip of her perfect pedicure . On May 12, Rihanna took the peekaboo moment to new heights. Everything her post-pedicure hot towel touched was visible beneath her take on the naked sandal trend for a May 12 dinner.

A few subway stops north of Taylor Swift's little white dinner dress , Rihanna and A$AP Rocky were spotted window shopping at a New York City Zara . (Perhaps they're ready to board the Zara celebrity outfit bandwagon, following Bad Bunny , Selena Gomez , and Meghan Markle .) The singer traded shopping-friendly sneaker trends for almost-invisible heels, crafted from polycarbonate PVC.

Singular blink-and-you'll-miss-them bands stretched across the Fenty Beauty founder's stark white pedicure . Then, lucite-molded heels added four inches of height to her thin, '90s-inspired wedges. Don't worry, there were still slim, pointed-toe soles between Rihanna's feet and the sidewalk.…