Shouldn't there already be some rumors about who is going to be performing with Gaga at the half time show? The supporting acts are usually announced around these next 2-3weeks.
Who do you think will be? A rock band? Madonna

? Either of her new BFFs Kesha or Selena? Elton

? Tony

? The Stones? They just put out an album and I imagine they are going on another Farewell tour.