Welcome to princess dairy as you can see that there are two series.
Part 1
Fifteen-year-old Mia dont know she is a real princess. until one incident that happen, she discovers that her father is the Prince of Genovia. She is only sole heir to the throne. She must decide, by her sixteenth birthday, whether she will live as a princess and move to Genovia or remain in San Francisco where she lives with her artist mom. Meanwhile, she must suffer through the indignity of princess lessons at the hands of her stern grandmother, Queen Clarisse Renaldi.


Part 2
Princess dairy two talk about how she going to enagement with other royal family, inorder to take over his grandma's place. As a Queen of Genovia. But she had to choice a guy for engagement. Will she follow her grandma law, if she want to rule Genovia??? Or marry a guy that she like ???