SINGER Elton John opens his heart to Sir David Frost in a television documentary this week.

Elton, who will be appearing at Swindon's County Ground on June 19, will be talking to Sir David in the programme called Inside Elton's World, revealing secrets about his life, loves and feuds with fellow singing stars.

It will air at 10.30pm on Channel 4 on Thursday.

Tickets for the County Ground event went on sale on March 23.

A crowd of 20,000 people are expected to attend the event and Elton will be joined on stage by singer Lulu the only British female solo artist to appear in the charts for five straight decades.