Even Tom Hanks. OK - not really. But he played a great practical joke on a knitting celebrity, Julia Roberts, during the filming of Larry Crowne. Check it out.
<iframe width="560" height="349" src="http://www.youtube.com/embed/QU2juUJfwp4" frameborder="0" allowfullscreen></iframe>
My favorite quote? "And that's all you need in knitting is just a girlfriend to get you started" - Julia Roberts.
I think I'll have to go see this movie now, just because of this. How about you?