Princess Kate Middleton may be married to Prince William, but sometimes he's just like one of the kids, according to a new book about the royals. An excerpt from Tom Quinn's upcoming book, Yes Ma'am: The Secret Life of Royal Servants,

The Princess of Wales has become known for her impeccable sense of style over the years - but it hasn't stopped her husband making jokes about her outfits

Meghan Markle's affectionate behavior towards the royal family reportedly caused discomfort for Prince William during her time in the UK, with palace insiders shedding light on the

"Before Kate realised that as a senior royal you have to dress carefully, having taken advice, she once bought an outfit that William considered inappropriate," the advisor said. "He told Kate she looked as if she’d just run through a charity shop covered in superglue. Everyone thought this was very funny, including, to her credit, Kate."

Kate Middleton attended the University of St Andrews from 2001 to 2005, where she met Prince William. Her dormmate was singer/songwriter Laura Warshauer.

Prince William and Princess Kate are 'conscious' of the potential 'disruption' that having a famous classmate can bring and they make a special gesture to help, according to an expert

Prince William and Princess Kate are said to enjoy sharing a joke together, with Kate often mocking her husbands likeness to one of his ancestors