Grumpy Cat opens exhibit at Minnesota State Fair

August 29, 2013 5:45:28 AM PDT
The Minnesota State Fair has gone to Grumpy Cat.

The online animal celebrity was at the fair Wednesday to kick off the Internet Cat Video Festival.

Grumpy Cat is just one of several cat personalities that have gained fame online.

The festival is sold out this year.

Last year, the event attracted more than 10,000 people.