This is interesting, apparently Aretha Franklin wasn't too keen on Beyonce's introduction, calling Tina the 'Queen'. She even issued a public statement about it.
There are some interesting (hilarious and/or rude) comments following the article too.
I adore Aretha, but I think it's trite and petty for her to call attention to the issue. The stage was Tina's that evening. But I suppose that's what Divas do...