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Donald Trump, Vivian Campbell

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Although Donald Trump might not have the long flowing hair required to be a rock star, he is set to share the stage with and introduce '80s hair metal band Def Leppard on Aug. 15 at the Iowa State Fair. 

But not if guitar player Vivian Campbell has anything to say about it!

The axe-shredder isn't pouring any sugar on a brutally honest Facebook post directed at the presidential hopeful, "I really, really, really hope that there's no truth to this rumour. Def Leppard have never been a political band, and if we were, I for one wouldn't be associating my name with this clown."

I really, really, really hope that there's no truth to this rumour. Def Leppard have never been a political band, and if...

Posted by Vivian Campbell onĀ Sunday, July 19, 2015

The "Rock of Ages" guitarist isn't the first musician to slam the billionaire. 

Rock legend Neil Young, who supports Bernie Sanders and has long been critical of the Republican Party, was peeved that Trump used his song "Rockin in the Free World" as an intro to his now infamous presidential campaign announcement. 

Latino rapper Pitbull warned Trump to, "Watch out for El Chapo," in response to offensive remarks directed at Latinos.

The Iowa State Fair is, "a must-attend for presidential candidates," according to CNN, so Campbell's diss comes at an important time in the nomination process.