WATCH: Foo Fighters, Guns N’ Roses Perform ‘It’s So Easy’

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Foo Fighters welcomed Guns N’ Roses to the stage on Thursday for a surprise performance of the GNR Appetite For Destruction hit, “It’s So Easy,” at Florence, Italy’s Firenze Rocks Festival. 

While on their Concrete And Gold tour, the Food Fighters performed their headlining set at the festival, bringing out GNR members Axl Rose, Slash and Duff McKagan to assist with the performance.

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The Foo Fighters also performed "Learn to Fly," "My Hero,” "Times Like These," "This is a Call,” ”Everlong,” newer single "The Sky is My Neighbourhood,” and covered Queen classic "Under Pressure.”

Guns N Roses, who are also currently on the road with their Not In This Lifetime tour, headlined the Firenze Rocks Festival on Friday.

Watch the performance below: