Little six-year-old Avery Huffman has been diagnosed with an inoperable brain tumor. Huffman also happens to be a huge fan of the Disney smash 'Frozen.'Actress Kristen Bell, who plays Princess Anna in the movie, left a touching voicemail for little Avery as her 'Frozen' character. She even made Avery a honorary princess.

Watch Avery's adorable reaction when she realizes the call is from Princess Anna.