Well this is just awesome.
Sir Ian McKellen: Yes, I'm going to marry Patrick. Well, no. How else do you put that? I am going to officiate at his wedding.
Jonathan Ross: So how come you're legally allowed to do that?
Sir Ian McKellen: Well I don't know, but in Massachusetts, in the middle of America somewhere, you get a friend along, and I read out the words, and Sunny and Patrick will then be married. "I declare you man and wife."
Jonathan Ross: Have you had this experience with this kind of thing?
Sir Ian McKellen:I've done it once before with two guys having a civil partnership. I was crying my eyes out.
Jonathan Ross: Here in the U.K.?
Sir Ian McKellen: Oh, I was crying my eyes out. But what do you wear when you officiate at a wedding?
Jonathan Ross: Well what did you go with [last time]?
Sir Ian McKellen: Well last time I went with a white gown, something I bought in India. It was rather fetching. You mustn't upstage the bride.
Charming! The whole interview is worth a watch, though — Matt "The Doctor" Smith and Ian McKellen's budding friendship was on display, and Ross aired McKellen's very first television appearance on the BBC: