Green Day stole the show at Sunday Night's (November 20) American Music Awards when the longtime punk group interrupted their own "Bang Bang" performance to deliver an anti-Donald Trump rally cry. So why'd they do it? In a new interview with The Late Late Show with James Cordenthey said they've always been the type to stick to their guns.

In the clip above from last night's (November 22) episode, the trio tell Corden they didn't originally plan to include the chant ("No Trump, no KKK, no fascist USA," they famously cried), but they were happy they ultimately decided to.

"We didn't rehearse it," frontman Billie Joe Armstrong says, noting the line was borrowed from '80s hardcore group M.D.C.'s "Born to Die." He explains Green Day have always been political, and reminded audiences the band's 2004 American Idiot was a direct answer to the George W. Bush administration. It famously spawned an eponymous Broadway show, too.

"We're just as much in shock as everybody else is [about Trump's election]," Armstrong continues. "But I think with the AMAs, for us, it was a good start to challenge him on all of his ignorant policies and racism."

And what does Trump, himself, think of Green Day's outspokenness? Well, in 2010, he certainly had a favorable opinion:


See the Stars Come Out for the 2016 American Music Awards: