Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge

Get ready for Charlotte to shoot to the top of the most popular baby names list!

See Kate Middleton and Prince William's adorable princess

On Monday, Kensington Palace announced the name of Prince William and Kate Middleton's baby girl.

Charlotte is the middle name of Kate's sister Pippa while Elizabeth is both Catherine's middle name and William's paternal grandmother's name. Diana, of course, is named for William's late mother.

Princess Charlotte, who was born Saturday weighing in at 8 pounds 3 ounces, joins older brother Prince George, who was born in July 2013.