Mia Thermopolis

Full Name

Amelia "Mia" Mignonette Thermopolis Renaldi


The Princess Diaries
From the Notebooks of a Middle School Princess

Portrayed by

Anne Hathaway

First seen

"The Princess Diaries"

Last seen

"Royal Wedding"

Date of Birth

May 1st 1987


Helen Thermopolis
Phillipe Renaldo
Clarisse Renaldi
(paternal grandmother)
(paternal grandfather, deceased)
Frank Gianini
(stepfather, deceased)
Shirley "Mamaw" Thermopolis
(maternal grandmother)
"Papaw" Thermopolis
(maternal grandfather)
Marie Thermopolis
(maternal aunt)
Pierre Renaldi
(paternal uncle; abdicated royal status)
Rocky Thermopolis
(maternal half-brother)
Olivia Grace Clarisse Mignonette Harrison
(paternal half-sister)
Hank Thermopolis
Mr. Gianini
Mrs. Gianini
Prince Frank
Princess Elizabeth
Michael Moscovitz
Lily Moscovitz
Ruth Moscovitz
Morty Moscovitz
Prince Rene of Italy (distant cousin)
Sebastiano Grimaldi (second cousin)


Princess of Genovia
Queen of Genovia (Movies only)
Author (book 10)


Princess of Genovia

Significant Other(s)

Michael Moscovitz (husband/soulmate)
Kenny Showalter (ex-boyfriend)
J.P. Reynolds (ex-boyfriend)
Josh Ritcher (kissed/crush)

Amelia "Mia" Mignonette Grimaldi Thermopolis Renaldo, most commonly known as Mia Thermopolis, is the main protagonist in the Princess Diaries book series.

Early Life Edit

Mia was born out of wedlock to Helen Thermopolis, a painter, and Phillipe Renaldo, a prince. Because she was born out of wedlock and her father was in his early 20s, he decided that Mia would not inherit the throne an as such did not need to know that she was a Princess. Mia grew up in New York City. She specifically grew up in Greenwich, in an apartment with her mom and Fat Louie, She got Fat Louie (Just Louie when she got him) her orange cat, on her 9th birthday. She spent summers and winter breaks in France with her Grandmother, Grandmere, and her Father, Prince Phillipe.

Becoming a Princess Edit

Mia is informed of her princess status near the beginning of the first book. She is told this by father when he came to visit Mia and her mother. She is told in the Plaza Hotel and promptly dissolved into tears. She was 14 and a freshman in high school. She kept this secret from her friends, causing significant tension between them. she has to learn all of the ways of being a princess and she is not particularly good at that.

The Big Reveal Edit

Books Edit

In the Books, Mia's title is revealed to the press by Grandmere. In the books, Grandmere does this simply to get Mia acquainted with the press.

Movies Edit

In the Movie, Paolo, Mia's stylist is the one to break the big secret. He is seen to be doing this for money, though it is not clear whether this was Paolo's intent from the beginning or if he was later bribed. Queen Clarisse seems to forgive Paolo because he is seen being called in to fix Mia just prior to the Genovian Independence Day Ball.

Relationships Edit

Michael Moscovitz

After being best friends with Michael's younger sister Lily, Mia develops a crush on Lily's older brother Michael. They date on and off through high school and date for seven years afterward. On Mia's 26th birthday, now multi-millionaire Micheal takes he on a surprise trip to the Exumas, where he pops the question. Though reluctant at first, believing Micheal was doing it for the wrong reasons, Mia happily accepts. Later in the book Mia finds out she is expecting twins with Micheal. When Mia's former boyfriend returns Micheal punches him. They marry and honeymoon on a cruise. A few months later they move to Genovia and their daughter Elizabeth and son Frank are born.