The 'Cats that Look like Pin-Up Girls' Tumblr features a variety of similarly posed felines. Once the pinnacle of female sexuality, pin-up girls have changed and evolved throughout the years to become the modern day Playboy Bunnies and Sports Illustrated models they are now recognized as.

A Chinese girl touches the gun of a relievo featuring Chinese soldiers fighting with Japanese troops during World War II at an exhibition at the Anti-Japan War Museum to mark the 60th Anniversary of the Victory of the Chinese People's War of Resistance Against Japan on August 18, 2005 in Beijing, China. (Photo by Cancan Chu/Getty Images)

A reflection of the Alps mountain “Nordkette” is seen in the ski googles of Anders Bardal of Norway during the training round of the FIS Ski Jumping World Cup event at the 60th Four Hills ski jumping tournament at Bergisel on January 3, 2012 in Innsbruck, Austria. (Photo by Alexander Hassenstein/Bongarts/Getty Images)

Ex-Playboy model Brittny Button (nee Ward) poses in sеxy photoshoot, 2022. The American sizzler, 31, married to British Formula One ace Jenson Button, shows off her fabulous physique in stylish photography campaign. The couple, who married in March 2022, have two children together. (Photo by Jean-Claude Vorgeack/Capture Media Agency)

Indonesian Presidential Security Forces (Paspampres) personnel show their skills during an anti terror exercise in Jakarta, Indonesia on 09 April 2015. The drill is in preparation for the 60th Asian-African Conference planned to be held in Jakarta from 21 to 23 April 2015. (Photo by Bagus Indahono/EPA)

Female Chimpanzee “Fifi” eats carrots as she sits in her enclosure at Taronga Zoo on her 60th birthday May 21, 2007 in Sydney, Australia. Fifi is the oldest of the Zoo's chimp population, which consists of 19 individuals. (Photo by Ian Waldie/Getty Images)

Miss World 2011 participants Miss USA, Miss Canada, Miss Mexico, Miss Guatamala, Miss Costa Rica, Miss Dominican Republic pose beside the Thames during a photocall as part of the Miss World 2011 UK Tour, on October 31, 2011 in London, United Kingdom. The tour celebrates Miss World's 60th birthday. The final of the competition will take place in Earls Court, London on Sunday 6th of November. (Photo by Ian Jones /Miss World Ltd via Getty Images)