Sir Elton John has proclaimed that Madonna's "career is over" and that she looks like a "fairground stripper".

The pair haven't always seen eye to eye over the years, with John recently making a dig at the Queen of Pop at the Golden Globe awards in January.

Speaking on Australian TV, John went on the offensive against Madonna and dissed her 2012 'MDNA' album and accompanying world tour.

He also criticised her treatment of fellow popstar Lady Gaga, who is claimed to have taken a little too much inspiration from Madonna's 'Express Yourself' for her own song 'Born This Way'. Speaking about Madonna, John said:

"Why is she such a nightmare? Sorry, her career is over. Her tour has been a disaster and it couldn't happen to a bigger c***."

He continued: "If Madonna had any common sense she would have made a record like Ray Of Light and stayed away from the dance stuff and just been a great pop singer and make great pop records, which she does brilliantly. But no, she had to go and prove... she looks like a f****** fairground stripper. She's been horrible to Gaga."