Rolling Stone confirms
Rolling Stone confirmed today that Lady Gaga will perform a duet with Metallica at the Grammys. Further details of the performance have not yet been confirmed.
Lady Gaga appeared at last year's Grammy Awards paying tribute to David Bowie. Metallica last appeared in 2014, when they performed with pianist Lang Lang.
The Grammy Awards will take place on February 12th in Los Angeles.
Lady Gaga performed at the Super Bowl halftime show last weekend, earning her praise and an album offer from Scott Ian of Anthrax.