The Mortal Instruments: City Of Bones star, Jamie Campbell Bower, recently told Hunger Magasine that he would like Rupert Grint to shave his hair off as part of the I Dare You video for the mag.
Since the two have previously been co-stars, Jamie chose Rupert for the dare:
“Here’s my dare for Rupert Grint – shave all of your hair off. All of it, eyebrows, head… the lot! That is my dare to you Rupert Grint. If you do that, I will do the same,”
Well, there you have it Rupert, I guess you better challenge the fellow wizard to this duel before he casts a curse on you. 😉