WATCH: Robbie Williams throws it back to Slane Castle 1999

Oh to be back in those double denim days.

Robbie Williams must have been feeling nostalgic over the last few weeks as he (or his people) have been uploading a series of throwback videos to his YouTube channel - Robbie Williams.

Over the last month from his performance at Slane Castle in 1999 has been featuring heavily among the uploads.