Throughout his life,Prince Andrew had a special relationship with Queen Elizabeth II.

When the queen passed away, Sarah shared a heartfelt message onTwitter.

So, it’s no surprise that she had an endearing nickname for the monarch.

Sarah Ferguson smiling

She called her “the boss.”

However, the queen did read the book (via Hello!).

“I think she was so proud that we did it.

Sarah Ferguson and Queen Elizabeth posing

And that’s just huge for me.

She was just very, very special.”