Rod Stewart admits in his new book that he was shocked when Mick Jagger suggested they partner swap.

In his new memoirs "Rod: The Autobiography," the singer reveals he was in a recording studio with the Rolling Stones frontman when Jagger came up with the idea.
Stewart said, "(He was) speaking, I assume, for and on behalf of (wife) Bianca... He made a tentative inquiry about the possibility of a little light partner-swapping with my girlfriend, Dee Harrington, and myself. I suppose it's always nice to be asked, and comforting to know that you're in someone's thoughts, but the answer had to be no. Partner swapping was not my scene, nor was it Dee's."

In the book Stewart also refutes a fake oral sex encounter with a group of male sailors.