Keeping Gaga low-key until the Grammy's would be nice. Especially if Gaga does perform in addition to getting an award. But if Gaga doesn't perform...or win anything then 

 The era might as well be done. Maybe she'll perform a new single, assuming she performs. Not off a new album or anything, just the 6th single. Performing MTN again would be 

 Then again she'll probably just perform You and I, signifying the end of an era.