Princess Caroline of Hanover remains one of the most enigmatic and influential figures in European royalty, consistently balancing her high-profile royal duties with a private life marked by immense personal tragedy and resilience. As of December 9, 2025, the eldest daughter of Prince Rainier III and the legendary Grace Kelly continues to be a driving force behind Monaco's cultural and artistic landscape, with her recent public engagements highlighting her enduring commitment to the Principality's heritage.

Her role as a cultural ambassador was underscored by her attendance at prestigious events in late 2025, solidifying her status not just as a royal figure, but as a dedicated patron of the arts. From the glittering social scene to her powerful influence on charitable initiatives, Princess Caroline's life is a masterclass in royal duty, profound personal style, and a relentless dedication to her family and her home, the Principality of Monaco.

HRH The Princess of Hanover: A Complete Royal Biography

Princess Caroline Louise Marguerite Grimaldi was born on January 23, 1957, in the Prince's Palace of Monaco, instantly becoming a global sensation as the first child of Prince Rainier III and the American actress-turned-royal, Grace Kelly. Her early life was spent under the intense scrutiny of the world's media, a spotlight that has never truly dimmed. Educated at St Mary's School Ascot and then at the Sorbonne in Paris, where she studied philosophy, psychology, and biology, Caroline developed a formidable intellect and a deep appreciation for the arts.

Her title, Princess of Hanover, comes from her third marriage to Prince Ernst August of Hanover, the head of the House of Hanover and a great-grandson of Queen Victoria. Although legally separated, the title remains, and she is officially styled as Her Royal Highness The Princess of Hanover.

Full Profile & Key Facts:

  • Full Name: Caroline Louise Marguerite Grimaldi.
  • Born: January 23, 1957, Monaco.
  • Parents: Rainier III, Prince of Monaco, and Grace Kelly.
  • Siblings: H.S.H. Prince Albert II, Sovereign Prince of Monaco, and H.S.H. Princess Stéphanie of Monaco.
  • Spouses: Philippe Junot (m. 1978; div. 1980), Stefano Casiraghi (m. 1983; d. 1990), Prince Ernst August of Hanover (m. 1999; sep. 2009).
  • Children: Andrea Casiraghi, Charlotte Casiraghi, Pierre Casiraghi, and Princess Alexandra of Hanover.
  • Current Title: Her Royal Highness The Princess of Hanover.

The Latest Royal Engagements and Cultural Legacy in Late 2025

The latter half of 2025 saw Princess Caroline heavily involved in numerous high-profile cultural and philanthropic activities, reaffirming her status as Monaco's foremost cultural ambassador. Her work is not just ceremonial; she is the President of several key institutions that shape the Principality's artistic identity, including the Spring Arts Festival and the Monte-Carlo Ballet.

Key Activities from October–November 2025:

  • French Honours: Princess Caroline and her sister, Princess Stéphanie, were honoured by the French Republic in November 2025, receiving new distinctions that extended the Princess of Hanover's list of honours and recognised her as a renowned cultural ambassador.
  • Order of Cultural Merit: She was a central figure at the presentation ceremony for the 2025 Order of Cultural Merit, attending alongside Prince Albert, Princess Stéphanie, Louis Ducruet, and Camille Gottlieb. This event highlights her deep commitment to recognising artistic excellence within Monaco.
  • Friends of the Museum Dinner: In October 2025, Princess Caroline attended the Friends of the Museum dinner at the Grand Palais in Paris, France, a testament to her international patronage of the arts.
  • Scientific & Environmental Patronage: She attended the renewal of the six-year partnership between the iconic fashion house Chanel and the Monaco Scientific Centre for the preservation of red coral, showcasing her involvement in both high fashion and critical environmental science.
  • Inauguration of La Bookinerie: Alongside Prince Albert II, she inaugurated La Bookinerie Monaco in November 2025, a cultural and literary initiative that further expands Monaco's intellectual offerings.

These recent activities demonstrate that despite her separation from Prince Ernst August, her public life and influence remain robust, focused on the cultural elevation of Monaco, an effort she has championed since the passing of her mother, Grace Kelly.

The Casiraghi Clan: Children, Grandchildren, and the Royal Line of Succession

Princess Caroline is a mother of four and a grandmother to a growing number of grandchildren, a role she reportedly cherishes. Her family life is a fascinating blend of royal tradition and modern, high-profile celebrity, particularly through her three children from her second marriage to the late Italian sportsman Stefano Casiraghi, who tragically died in a boating accident in 1990.

Her Four Children:

  1. Andrea Casiraghi (b. 1984): Married to Tatiana Santo Domingo, a Colombian-American heiress.
  2. Charlotte Casiraghi (b. 1986): A renowned equestrian, writer, and fashion icon, married to producer Dimitri Rassam.
  3. Pierre Casiraghi (b. 1987): A businessman and sailor, married to journalist and aristocrat Beatrice Borromeo.
  4. Princess Alexandra of Hanover (b. 1999): Her only child with Prince Ernst August, and the only one of her children to hold a royal title, though she is not in the line of succession to the British throne as she converted to Catholicism.

As of late 2025, Princess Caroline is a grandmother of eight. Her grandchildren, who do not hold royal titles (except for Princess Alexandra's potential children), are a significant part of the Monégasque royal future. The latest addition, Beatrice Borromeo and Pierre Casiraghi’s third baby, was announced in 2025, with a name that includes a subtle, sweet nod to Princess Caroline herself.

Her Grandchildren (The Next Generation):

  • Three children from Andrea and Tatiana Casiraghi.
  • Two children from Charlotte Casiraghi (one from a previous relationship and one with Dimitri Rassam).
  • Three children from Pierre and Beatrice Borromeo, including the new baby announced in late 2025.

The $100 Million Fortune and Stylish Lifestyle

Beyond her titles and duties, Princess Caroline is known for her immense personal wealth and impeccable taste, a legacy inherited from her mother and her family’s position. Her net worth is widely reported to be approximately $100 million. This substantial fortune allows her to maintain a luxurious lifestyle, although her focus is often on high-quality philanthropy and cultural patronage rather than ostentatious display.

Her style, often compared to her mother's timeless elegance, is a blend of classic European royalty and modern sophistication. She is a long-time patron of the fashion industry, particularly the house of Chanel, a relationship that was highlighted by her attendance at the renewal of their partnership with the Monaco Scientific Centre. Her residences include luxurious villas and apartments, reflecting her status as a global icon of wealth and style. Her lifestyle is a continuous thread of high society events, private cultural pursuits, and dedicated work for her numerous charities, including AMADE Mondiale, a non-profit organisation she founded that focuses on the protection and development of children worldwide.

Princess Caroline of Hanover, through her resilience, cultural contribution, and the sheer force of her public presence, continues to define the modern image of the Monégasque royal family. Her life, marked by intense media attention and a steadfast dedication to her Principality, ensures her legacy as one of the most enduring and important European royals of her generation.