Rockers KINGS OF LEON blasted fans at a U.K. festival in a foul-mouthed rant on Friday (28Aug09), before giving the crowd the finger as they left the stage.

The U.S. band struggled to win over the audience during their headlining set at Reading Festival in England, which was marred by problems with sound equipment and windy conditions.

Frontman Caleb Followill first lashed out at bored fans by asking, “I thought this was supposed to be the loudest crowd in the world?” before pleading with fans to “help us do this” as they launched into their hit Sex On Fire.

But when the audience failed to warm to them and sing along, the star raged, “We know you’re sick of Kings of Leon. We’re f***ing sick of Kings of Leon too. But we get up here every night and I thank God for everything I’ve had.

“So for all those who don’t give a f**k about us, I understand. But we’ve worked hard to be here. We’re the goddamn Kings of Leon, so f**k you.”

The furious singer and his brother Jared then smashed their guitars into the stage, before throwing the remains into the crowd and making their way backstage, gesturing rudely to the disappointed crowd.

Drummer Nathan Followill took to his page on Twitter.com after the lacklustre set, admitting he hopes the fans at the band’s next gig at twin festival Leeds on Sunday (30Aug09) will be more responsive.

Followill wrote, “Reading? What the f**k? Zero love for the kings. I know it was cold but holy s**t, y’all were frozen. I can only hope Leeds is in better form.”