The selfie is the most popular photography trend of the internet today. It's gotten so popular, in fact, that even our beloved feline friends have started to catch on. I dare you to keep the smile off your face for this one!

“Nature is beautiful and amazing – i just point my camera at it”. – Black Cat. Photo: “I really need a manicure”! (Photo by Black Cat)

Pashtan Wagner, a Blue Oriental Cat participates in the GCCF Supreme Cat Show at National Exhibition Centre on October 28, 2017 in Birmingham, England. (Photo by Shirlaine Forrest/WireImage)

Cat-Friend vs Dog-Friend, Two Humans Acting Like House Pets

A cat yawns at Nekorobi cat cafe on January 20, 2009 in Tokyo, Japan. Cat cafes, where people can spend time with their favorite cat for about 10 US dollars an hour, are now getting more popular with people living in urban areas. The regular customers are mainly in their 20's to 30's and seaking healing by cats, or people who cannot afford to have pets full time. Some visiters come to the cat cafe three times a week. (Photo by Junko Kimura/Getty Images)

Most pet cats will become timid or defensive when outdoors, but not Millie – after being adopted by her mountain-climbing owner Craig Armstrong, Millie has become a feline hiking and mountain-climbing legend.

Japanese embroidery artist Hiroko Kubota was in the process of making custom sized clothes for her smaller-framed son when he made a small request: could some of the shirts have cats on them? Kubota explains her son was somewhat obsessed with cats and had collected a small library of adorable images found around the web.