Russian model Irina Shayk early May 2023 snapped a selfie before she broke “all the rules” at Met Gala. (Photo by irinashayk/Instagram)

American model Kendall Jenner in the second decade of May 2024 hits the steam room for FWRD. (Photo by Kendall Jenner/Instagram)

An Egyptian horse owner cares for one of his animals at stables in Giza near the capital on May 26, 2024. (Photo by Khaled Desouki/AFP Photo)

An areal view of the lake in the form of a heart in Rodgau, near Frankfurt, Germany, Friday, May 24, 2024. (Photo by Michael Probst/AP Photo)

A visitor tries a baccarat game at the Global Gaming Expo (G2E) Asia in Macau, China May 19, 2015. (Photo by Bobby Yip/Reuters)

A man pulls a cart with collapsed cardboard boxes past boutiques in the Sinchon district in Seoul, May 5, 2015. (Photo by Thomas Peter/Reuters)

A subway worker walks away after a train departed the station in central Pyongyang, North Korea May 7, 2016. (Photo by Damir Sagolj/Reuters)

Nikki Reed is seen shopping at American Rag in Los Angeles, CA., on May 14, 2014. (Photo by Bauergriffin.com)