A supporter of Republican U.S. presidential candidate Donald Trump dresses in a Trump costume at a rally with supporters in Albuquerque, New Mexico, U.S., May 24, 2016. (Photo by Jonathan Ernst/Reuters)

Rihanna performs onstage during the 2016 MTV Video Music Awards at Madison Square Garden on August 28, 2016 in New York City. (Photo by Noam Galai/FilmMagic)

Prospective flight attendants listen to their instructor during an etiquette training course at Indigo Airlines' Ifly training centre in Gurgaon on the outskirts of New Delhi November 18, 2014. (Photo by Adnan Abidi/Reuters)

Two men dressed as the Statue of Liberty look for tourists to pose with them for pictures in exchange for donations in New York's Times Square on January 20, 2015. (Photo by Jewel Samad/AFP Photo)

A young prince, dressed ready for the coronation of new Emir of Kano Muhamadu Sanusi II, is pictured in Kano, Kano State, February 7, 2015. (Photo by Afolabi Sotunde/Reuters)

A Ukrainian serviceman wearing a new year's hat waves at his comrades while standing beside his tank near Debaltseve, eastern Ukraine, February 8, 2015. (Photo by Gleb Garanich/Reuters)

A woman takes a selfie in front of a Lunar New Year display featuring sheep at a shopping mall in Hong Kong, February 13, 2015. (Photo by Bobby Yip/Reuters)

Arctic wolves in their new enclosure in the wildlife park in Hanau, Germany, 10 February 2015. The pack is one of the park's main attractions, which specializes in local and European breeds. (Photo by Boris Roessler/EPA)