Grumpy Cats Worst Christmas Ever ( Also Known As: Grumpy Cat's miesestes Weihnachtsfest ever) is a Comedy film directed by Tim Hill and written by Tim Hill, Jeff Morris . It released on TV Movie 29 November 2014. The film stars Grumpy Cat, Megan Charpentier, Daniel Roebuck. Grumpy Cat is a lonely cat living in a mall pet shop. Because she never gets chosen by customers, she develops a sour outlook on life...until one day during the holidays, a very special 12-year-old girl named Chyrstal enters the pet store and falls in love with her after realizing she is the only person who can hear this unique cat talk.