Worst Christmas Ever: Trailer for Grumpy Cat's first film released

The trailer for Grumpy Cat’s new anti-Christmas movie has finally dropped and the world’s crankiest internet kitty is armed and dangerous.

“Grumpy Cat’s Worst Christmas Ever” sees the sourpuss staying to true to her grumpy self, calling her owner a “blonde witch” and firing a paintball gun.

The famous feline, who boasts more than 6.8 million Facebook fans, has already published two books.

Grumpy cat is voiced by Parks and Rec star Aubrey Plaza, who has gone global with her excitement.

The film is due to open in the US on November 29.