Do you think he is trying to compete with David Beckham??
http//www.thesun.co.uk/article/0,,2-2005330398,00.html
No....he is just trying to emulate the character he played in some of his most recent movies. He is not alone on this though, Sadie Frost did join him in the wife swapping thing they had with friend's of theirs.
I guess Jude thought the nanny is the more better one?