The perfect Lady Gaga VMA performance in my head would be a recreation of the "Bad Romance" and "Telephone" music videos.
First she performs
Bad Romance with the stage like the video. . .
And they finish and quickly strike the set to perform
Telephone...
Then Beyonce suddenly drops in from the ceiling to "break her out of jail"...
Boy the way you blowin up my phone
Won’t make me leave no faster
Put my coat on faster
Leave my girls no faster......
They dance and finish the song. . .
And immediately after, she wins an award.