By InStyle Staff
Apr 14, 2015 @ 11:44 am
Monaco Princely Pool/WireImage

Below is the post “Monaco Has a New Princess: Andrea Casiraghi and Wife Tatiana Santo Domingo Welcome a Daughter” which originally appeared on

Congratulations are in order---yet again---for Monaco.

Prince Albert's nephew Andrea Casiraghi and wife Tatiana Santo Domingo had a second child on Sunday in London, sources confirm to PEOPLE. The child, a girl, is Princess Caroline's first granddaughter and will become sixth in line to the Monaco throne.

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Andrea and Tatiana, who already have a 2-year-old son, Alexandre (known as "Sacha"), first announced the pregnancy in November. After dating for a decade, Andrea, the son of Princess Caroline, and Tatiana were married in August 2013.

RELATED: Andrea Casiraghi Weds Tatiana Santo Domingo

The birth of the Casiraghi daughter comes just four months after that of Prince Albert and Princess Charlene's twins, Gabriella and Jacques, in December.

The twins are due to be formally christened in Monaco's Cathedral on May 10.

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