Katherine's new movie, the animated picture The Nut Job enjoyed a very successful opening MLK weekend at the US box office, claiming several records as it pulled in over $25 million. The figure represented the highest ever opening for distributor Open Road Films and also broke the all time record for a non-studio animated film.

The Nut Job Andie (Katherine Heigl) & Surly (Will Arnett) In A Scene From The Nut Job

If you have not had chance to catch the movie yet, head down to your local theater and watch the heist caper and meet the nutty characters - including Katherine's sassy squirrel Andie. In the meantime, check out this behind the scenes featurette with Will Arnett (Surly) introducing the team and the cuddly critters that they voice.