Meghan Markle has given birth to a baby girl named Lilibet Diana

• Meghan Markle and Prince Harry have welcomed their second child, a baby girl.
• Lilibet Diana Mountbatten-Windsor was born on June 4 in Santa Barbara, California.
• The royal baby is eighth in line to the British throne after Archie, the couple's first child.

The Duchess of Sussex has given birth to her second child, a baby girl named Lilibet Diana.

"Lili is named after her great-grandmother, Her Majesty The Queen, whose family nickname is Lilibet," Meghan Markle and Prince Harry said in a statement on the website for their organization, Archewell. "Her middle name, Diana, was chosen to honor her beloved late grandmother, The Princess of Wales."

The couple welcomed the new arrival to the family on Friday in Santa Barbara, California, making their 2-year-old son Archie Harrison an older brother.

"She is more than we could have ever imagined, and we remain grateful for the love and prayers we've felt from across the globe," the couple said in a statement. "Thank you for your continued kindness and support during this very special time for our family."

Buckingham Palace said in a statement to Insider that the royal family was "delighted" by the news.

"The Queen, The Prince of Wales and The Duchess of Cornwall, and The Duke and Duchess of Cambridge have been informed and are delighted with the news of the birth of a daughter for The Duke and Duchess of Sussex," the statement said.

The royal baby is eighth in line to the British throne after Archie, who became seventh in line upon his birth on May 6, 2019.

She is the younger cousin of Prince William and Kate Middleton's children, Prince George, Princess Charlotte, and Prince Louise, and Queen Elizabeth's 11th great-grandchild.

It's likely the baby will be raised in Santa Barbara, where the family has resided since the Sussexes purchased their first home there last year.

Harry and Markle announced the baby's gender during their interview with Oprah Winfrey in March, and said they had no plans to have more than two children.

"To have any child, any one or any two would've been amazing, but to have a boy and then a girl - what more could you ask for?" Harry said. "Now we've got our family. We've got the four of us, our two dogs."

The couple announced that they were expecting their second child on Valentine's Day.

"We can confirm that Archie is going to be a big brother. The Duke and Duchess of Sussex are overjoyed to be expecting their second child," a spokesperson said in a statement obtained by Insider.

Along with the statement, the couple shared a previously unseen black-and-white photo, which showed the duchess with her hand on her stomach.