Pop star George Michael made his stage comeback in Barcelona, Spain, on Saturday with an attack on President George W. Bush. In his first solo concert in 15 years the singer didn't shy away from controversy, releasing an enormous balloon depicting a cartoonish Bush during a rendition of 2002 hit "Shoot The Dog."

He drew more cheers from the 18,000-strong audience at the Palau Sant Jordi arena when he unzipped the inflated trousers to reveal a British bulldog draped with the U.K. flag. The dog was stuck to the balloon's crotch, wagging its tail. Saturday's performance kicked off the star's 25 Live European tour, which will visit 28 cities before December.

Michael declared, "I've been waiting for this moment", after telling the crowd, "You're beautiful... thanks for coming."

(This news article provided by World Entertainment News Network)