The title “princess” is typically bestowed upon the daughters of kings and queens. As such, the youngest princess would be the youngest daughter of a monarch. However, the specific title and name of the youngest princess can vary depending on the country and its traditions.

For example, in the United Kingdom, the current youngest princess is Princess Charlotte, the second child of Prince William and Catherine, Duchess of Cambridge. She was born on May 2, 2015, and is currently seventh in line to the throne.
In Saudi Arabia, the youngest princess may be one of the daughters of King Salman bin Abdulaziz Al Saud. However, as the Saudi Arabian royal family is quite large, it is difficult to determine who the youngest princess is with certainty.
In other countries, such as Japan, the youngest princess may have a unique title. In Japan, the youngest princess is known as the “Toshi-no-miya,” which roughly translates to “the Princess of the Year.”
Regardless of the specific title and name, being a princess can come with a range of privileges and responsibilities. Many princesses are expected to act as ambassadors for their country, participating in diplomatic events and promoting cultural exchange.
In addition, some princesses may have specific duties within their own country. For example, Princess Mako of Japan is involved in various charitable activities and serves as a patron for several organizations.
Despite these responsibilities, being a princess can also come with challenges. Many princesses are subjected to intense media scrutiny and public scrutiny, with their every move and decision closely analyzed.
Overall, while the specific title and name of the youngest princess may vary depending on the country and culture, being a princess can come with both privileges and responsibilities.