Grumpy Cat Makes Her Movie Debut [VIDEO]

You've seen her sour puss plastered across the internet. Now see Grumpy Cat star in her first film. 

Her real name is Tardar Sauce (yes, correct spelling) and she was born April 4th, 2012. She's owned by Tabatha Bundesen. Grumpy Cat was awarded the honor of "2012's most influential cat" according to MSNBC.

"Grumpy Cat's Worst Christmas Ever" will debut on November 29th on Lifetime. This actress is lending her pipes as the voice of Grumpy Cat.