ROBYN BECK/AFP via Getty Images Lady Gaga has been a powerful presence ... rocking out with Metallica on the band's hit "Moth Into Flame." In 2018, it was back to the piano (and ethereal gowns ...

Lady Gaga used to front a classic rock band ... In 2017, she famously performed Metallica’s song Moth Into Flame with the San Francisco thrashers at the Grammy Awards. In a 2011 Rolling Stone ...