Ordinary Princess by Liz Fielding

Laura could see that Crown Prince Alexander of Montorino needed a holiday — from being a prince! He was so stiff and formal; he needed to lighten up and have some fun. For just a few days he would be ordinary, like her. Go shopping, go to the park, wash up — and Laura would be his guide...

Alexander found Laura to be like a breath of fresh air. She didn’t stand on ceremony, and she told him what to do, not the other way around! It was the perfect partnership, one that Alexander wanted to last forever — until he discovered Laura’s secret...