03/28/2008 02:45 am ET Updated May 25, 2011

Johnny Rotten Threatens Fans, Forgets Lyrics At Sex Pistols' Comeback Kick-Off

Johnny Rotten seems to have lost none of his bad boy rancour during the last 30 years.

The Sex Pistols frontman snarled and shrieked his way through the band's comeback performance in an LA club ahead of their reunion tour.

In the group's first public performance in four years, John Lydon, 51, was a little rusty, forgetting the words to the first song, Holidays In The Sun.

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