Lady Gaga Fronting Metallica on Sunday?

Lady Gaga Fronting Metallica on Sunday?

​James is dealing with some vocal issues due to illness, so the Grammy's announced today that Metallica, who is scheduled to perform on Sunday, will be joined by (and maybe fronted by?) Lady Gaga. You might hate this, but I bet you'll watch it.

Lady Gaga SB 51 halftime performance
Trailer for Aftermath (Shot in Columbus)
 

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