I don't even know it- Fans throw bottles at Justin Bieber for refusing to sing his Spanish hit, Despacito

 Justin Bieber was at the receiving end of his fans after he refused to sing his latest Spanish-language smash hit ,Despacito.

Fans threw bottles at him after he refused to sing  the number-one song over the weekend at Stockholm's Summerburst Music Festival.

Bieber who featured as a vocalist on the song by Luis Fonsi and Daddy Yankee tune ,insisted he was unable to perform the song at event, much to disgruntled concert goers.

Speaking to the feisty crowd he said:

'I can't do Despacito. I don't even know it.'

Despite his honest admission, an angered fan appeared unhappy with his response, threw an object at the  popstar's head in frustration.

 Justin calmly asked the festival goer to stop acting out his anger, saying him:

'Don’t throw things at me, please.'