"The best Gigi," Princess Beatrice's husband Edo wrote below the post Sarah Ferguson is reveling in becoming a grandmother again. On Jan. 29, the Duchess of York, who is popularly known as Fergie, was among the first to celebrate the news that her daughter Princess Beatrice has welcomed a baby girl.

Athena Elizabeth, who is believed to have been named after the late Queen Elizabeth II, is now 11th in the line of succession to the British throne.

As well as paying tribute to her late grandmother, Princess Beatrice decided to honour another late royal in her newborn daughter's name.