The Queen is "delighted" after being told she is to become a great-grandmother for the second time.
Peter Phillips and his wife Autumn are expecting their second child, the Palace has confirmed.
Princess Anne's Canadian daughter-in-law will welcome the new arrival in March.
"The Queen and The Duke of Edinburgh, as well as Autumn's family, have been informed and are delighted with the news," says a representative.
The couple's first child, a little girl named Savanah, was born on December 29, 2010 at Gloucestershire Royal Hospital.
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