The 5 most popular internet cats united to create a music video... and its saving cats!!

Grumpy cat and friends... Cat Summer!

Grumpy Cat, Nala Cat, Hamilton the Hipster Cat, Oskar the Blind Cat & Klaus star in Friskies' latest music video, "Cat Summer." For every video view, Friskies iz donating one meal to cats in need around the country (up to 1 MILLION meals). Share this video and help shelter and rescue cats this summer!