Regina Halmich and Sergiy Plyuta perform during the 'Let's Dance' TV show at Coloneum on March 23, 2011 in Cologne, Germany.

Porcelain Black performs during the ' I Am Still Music' Tour at the Wells Fargo Center on March 26, 2011 in Philadelphia, Pennsylvania

Ke$ha performs live on stage during the second day of the Wireless Festival at Hyde Park on July 2, 2011 in London, England. (Photo by Jim Dyson/Getty Images)

Musicians from the West Australian Symphony Orchestra perform a “Symphony in the Sea” at North Cottesloe Beach on December 2, 2008 in Perth, Australia. (Photo by Paul Kane/Getty Images)

The International Trophy float on the parade route during the 123rd Rose Parade presented by Honda on January 2, 2012 in Pasadena, California. (Photo by Frederick M. Brown/Getty Images)

Pretty Girls, Ugly Faces is a photo fad in which girls take pictures of themselves while posing in an unflattering manner, making a silly face or performing a physically strenuous activity.

A Thai performer puts his head inside a crocodile's mouth during a media preview performance as part of preparation to reopen Samutprakarn Crocodile Farm and Zoo in Samut Prakan province, Thailand, 19 March 2024. (Photo by Rungroj Yongrit/EPA)

Visitors look on as a man (front) inserts two live snakes through his nose and mouth during a performance at an amusement park to celebrate the 65th anniversary of the founding of the People's Republic of China and the 7-day national day holiday, in Jinhua, Zhejiang province October 1, 2014. (Photo by Reuters/Stringer)