Experts suggest that Prince William and Kate Middleton's marriage was an escape for the Duchess from her middle-class background.

Royal expert Daniela Elser reveals the shocking claims in her piece for

The claims were initially made in author Tom Quinn's book, Gilded Youth.

According to the book, Kate wanted to escape her middle-class upbringing.

The Duchess does not enjoy burgers and chips and would not take her children to McDonald's.

She is also careful not to challenge traditional royal pursuits for her children.

These claims have raised questions about the motivations behind the couple's marriage.

Some suggest that Kate's desire for a different lifestyle could have been a factor in her decision to marry William.

The claims have sparked discussion about the role of class in the royal family and wider society.