'What About Me!' Shannon Noll thrills the crowd at Sydney pub with an impromptu performance of his chart-topping hit.

 His debut single What About Me was the highest selling Australian single in 2004.

And 14 years later, Shannon Noll proved the anthem is still a crowd-pleaser with an impromptu performance at a Sydney pub on Friday.

Posting a clip to Instagram, the former Australian Idol star, 43, is seen with his back to the camera while singing his smash hit to an enraptured audience at the Cronulla Sailing Club.

 
Shannon Noll thrills crowd at Sydney pub with chart-topping hit

 
 
 
 
  
 
 
 
 
'What About Me!' Former Australian Idol star Shannon Noll thrills crowd at Sydney pub with impromptu performance of chart-topping hit
 
 Brush with the law: Shannon was arrested on September 13 in Caringbah, in Sydney's south, after a dog squad search
 
 

'What About Me!' Former Australian Idol star Shannon Noll (pictured) thrilled the crowd at a Sydney pub on Friday with an impromptu performance of his chart-topping hit What About Me

Shannon captioned the video: 'So I went down to meet a mate for a quiet Friday beer and my guitarist was playing at the venue. So he asked me to play a song with him!'