Joey Fatone Breaks Out the Big Guns ... N' Roses

8/2/2010 1:24 PM PDT BY TMZ STAFF
It could have been a recipe for disaster ... but when former boy-bander Joey Fatone grabbed the mic at a bar this weekend and busted out some Guns N' Roses -- dude blew everyone away.

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It all went down at the Dubliner Irish Pub at Mohegan Sun Casino in Connecticut this past weekend -- when Fatone went on stage with local band "Red Light" and channeled his inner Axl for "Sweet Child O' Mine."

Not too shabby.