Windsor babies have come in a wide variety of sizes over the past century or so, as our graphic shows - from a tiny 4lbs 9oz to a new arrival at more than twice the weight.
As the Duke and Duchess of Sussex celebrate the second birthday of their daughter, many may be curious to know why she is called Lilibet and what it means.
Prince Harry's touching question to Meghan hours after birth of Lilibet dailyrecord.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailyrecord.co.uk Daily Mail and Mail on Sunday newspapers.