Princess Grace's Granddaughter Charlotte Casiraghi Welcomes New Baby

Another royal baby has arrived, with Charlotte Casiraghi giving birth to a son on Tuesday morning, [...]

Another royal baby has arrived, with Charlotte Casiraghi giving birth to a son on Tuesday morning, PEOPLE reports.

Sources say the baby weighed 7 lbs., 2 oz. and was born at Princess Grace Hospital. Casiraghi is the daughter of Princess Caroline of Monaco and the granddaughter of Grace Kelly. The hospital was named after Kelly, who became a princess after marrying Monaco's Prince Rainier in 1956.

Casiraghi welcomed her son with fiancé Dimitri Rassam, and the baby is the first child for the couple. Casiraghi shares 4-year-old son Raphael with comedian Gad Elmaleh and Rassam has a daughter with his ex-wife, model Masha Novoselova.

The couple has been together after being reconnected by mutual friends in December 2016, and became engaged earlier this year.

Casiraghi confirmed her engagement to Rassam, a film producer, by wearing a diamond ring on her left hand during the pair's appearance at the 64th annual Bal de la Rose in Monte Carlo in March.

(Photo: Getty / SC Pool - Corbis)

An insider told PEOPLE at the time that the couple became engaged three weeks prior while on a family ski vacation in Austria. While nothing has been reported in regards to a wedding, it was previously speculated that the couple would tie the knot with a civil ceremony in December.

A large family wedding is reportedly being scheduled for next spring, with sources speculating that the event will be held at Bouquet's 12-acre vineyard, located on the Italian island of Pantelleria.

"Charlotte's very happy," a source told PEOPLE. "Dimitri's a very nice guy and they've actually known each other for a while. It's been a remote friendship of many years."

Casiraghi and Rassam's son is the third child born into Caroline's family this year — Caroline's son Pierre and his wife, Beatrice Borromeo, welcomed a child in May and the Princess' oldest son, Andrea, is married to Tatiana Santo Domingo, with the couple welcoming their third child in April.

The royal babies of Monaco join a British baby boom this year as well — in April, Kate Middleton gave birth to son Prince Louis; the Queen's granddaughter Zara Tindall welcomed daughter Lena in June; Pippa Middleton welcomed a son on Oct. 15; and it was revealed last week that Meghan Markle is pregnant with her first child with Prince Harry.

Photo Credit: Getty / Stephane Cardinale - Corbis