The Backstreet Boys are still a bunch of jackasses ... just ask Nick Carter, who went Johnny Knoxville all over AJ McLean's balls today ... WITH A BASEBALL BAT ... and it was all caught on tape.
The stunt took place during a photo shoot with celeb photographer Tyler Shields. We really have no other explanation for why this happened.
Now ... here are a couple of our favorite BSB songs ... Quit Playin' Games (With My Testicles), Ball I Have to Give, and Everybody (Backstreet's Sack).
And we can't forget our favorite album ... Black & Blue ... or is it Unbreakable? Okay, we're done.
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