Rocker Scott Weiland has brushed off rumors he has gone back to booze after reportedly showing up intoxicated at a recent New York concert.

In May Weiland was handed a court order to attend an 18-month alcohol rehab program, stemming from his 2007 arrest for driving under the influence (DUI). According to a source at the New York Daily News, the rocker was "hitting the hard stuff backstage and was noticeably messed up" during his solo gig at the Fillmore-Irving Plaza on Friday.

The source adds, "He was over an hour late to take the stage, and audience members were commenting on how drunk and sloppy he seemed. It didn't help that the crowd was booing him and shouting at him to play his Stone Temple Pilots."

A spokesperson for Weiland has denied the claims and has not issued further comment.

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(This news article provided by World Entertainment News Network)