Prince Liam is a fictional character from the popular book series, The Royals, written by Erin Watt. He is portrayed as the charming and responsible heir to the throne, often balancing his royal duties with personal challenges. In the story, Prince Liam navigates complex relationships, particularly with Ella Harper, a girl from a different background. His character embodies loyalty and determination, making him a central figure in the series as he strives to protect his family and uphold his responsibilities as a prince.