Dogs perform during “Stars and starlets”, a new programme, at the National Circus in the Ukrainian capital of Kiev April 30, 2015. (Photo by Gleb Garanich/Reuters)

A competitor walks on tightrope during a performance in Taizhou, Zhejiang Province, China, May 7, 2016. (Photo by Reuters/China Daily)

Taylor Swift performs at the Billboard Music Awards. (Photo by Chris Pizzello/Invision)

Jo Jo performs at the Q102 s*xy Singles 2012 the at Hotel Palomar on January 26, 2012 in Philadelphia, Pennsylvania. (Photo by Gilbert Carrasquillo)

Mini-pigs perform during the presentation in Balashikha, Russia on December 19, 2018. (Photo by Maxim Shemetov/Reuters)

A Burlesque performer onstage during the London Tattoo Convention at the Tobacco Docks, in London, Britain, 24 September 2017. (Photo by Facundo Arrizabalaga/EPA/EFE)

Dancers perform at the 130th Anniversary Le Moulin Rouge celebration on October 6, 2019 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)

Marina performs on stage at O2 Apollo Manchester on May 10, 2019 in Manchester, England. (Photo by Andrew Benge/Redferns)