Princess Charlotte is your typical princess due to the fact that she's quiet, hides from the warriors (she says they scare her), and stays in the palace at almost all times. Due to her being so quiet and conservative, she's drawn to Griffith because he's a quiet warrior. Griffith comes off as intellectual, quiet, and being able to sit with a cup of tea and having a conversation. The rest of the hawks are burly loud men.
Charlotte and Griffith have a night of passion after Guts leaves (by Guts leaving, Griffith became a lost excuse for a human), and Guts was caught by the guards. He was then sentenced to a year of torture, and due to Charlotte's innocent love for Griffith, she contacts what's left of the Hawks and tells them where to go and what time to be there for one of her ladies in waiting to direct them to Griffith so they can save him. She's quiet, naive, and in love. What more can you say about a Princess?
