And however reluctantly, I learned that asking other twins to get naked meant I had to undress too.
So what was his reaction to the photos taken recently of Kate and Harry in various states of undress?
Will he paint Mantel in a similar state of undress to his notorious Kate pic?
Susan Jane Gilman's third book, undress Me in the Temple of Heaven, has just been published by Grand Central Publishing.
A few portraits were taken, and she says she was instructed by Richardson to undress.
He did not undress, but slept just as he was, with a ragged coat for a coverlet.
"Then we will undress and get to bed," she said, trying to speak lightly.
However, like all things of that kind, I took it in good part and hastened to undress.
There are accommodations for ten persons to undress at the same time.
She will accept the offer, and when she tells you to undress her from head to foot you will do so.