Capital presents Summertime Ball with Barclaycard kicked off earlier today with performances from a star-studded lineup including The Jonas Brothers, Calvin Harris, Tom Grennan and former One Direction star Niall Horan.
One mega star who wasn't listed on the bill but caused a huge stir with a cameo appearance was pop superstar Kylie Minogue.
The 55-year old stunned the 80,000-strong Wembley Stadium crowd as she performed her brand new song 'Padam Padam' from her forthcoming album 'Tension'.