Kirsten Bell makes sick little girl (6) an honorary Frozen princess

Avery, now named as an honorary princess

Sarah-Jane Murphy

Hollywood actress Kirsten Bell adopted the persona of her Frozen character, Anna, and left a very special voice mail for a seriously ill six-year-old.

Tragic Avery Huffman (6) was recently diagnosed with an inoperable brain tumour.

Her parents have been documenting their beloved daughters illness on Twitter with the hashtag #AveryStrong.

Bell told the young girl that she was "incredibly brave" and for that reason Queen Elsa would like to make Avery an honorary princess.

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That's the ultimate goal for any frozen fan.

Princess Avery has a lovely ring to it.