Dressed up as Anna and Elsa from Disney's Frozen, sisters Donna and Paula Savage from Finaghy gave this takeaway worker a bit of a shock.

In the video below the pair - who are professional singers - sing their order to the tune of Let it Go at Kennedy Way McDonald's drive through.

To watch more of Donna and Paula's video visit their facebook page Fairytale Singing Princesses Belfast Lisburn Frozen Queen Elsa and Anna