IT’S entirely normal to feel nervous about the idea of marriage.

But for Prince William, he not only had to find someone he wanted to spend the rest of his life with – but a person who would also fit right into the Royal Family.

Before tying the knot in April 2011, the Duke had known his wife Kate Middleton for almost 10 years – after they met as students at St Andrews.

Appearing on ITV’s The Day Will and Kate Got Married, royal expert Robert Lacey claimed the Duke felt he had to “audition” his wife.

He explained: “It’s been said that William was auditioning Catherine for her future…