School is back, and so is the Playlist! Singer/songwriter Callum Beattie takes over this week to announce the Best of Summer songs you have been listening to and voting for. He reveals his darkest secrets in Fact or Fairytale and tests out his chart knowledge in the Playlist Shuffle Challenge. Greg James joins to count down the UK's Official Top Ten

Queen of pop Charli XCX takes over The Playlist, announcing which tracks you have voted for and then playing them. Charli also puts on the infamous Say What headphones and even challenges Yasser to a Shuffle Challenge all about her new video. Also, Greg James reveals the UK's official brand new top 10.

Ed Sheeran's best mate Jamie Lawson hosts The Playlist and reveals the top three tracks that you voted for. He discovers some home truths in Selfie Portrait and we find out how well he really knows Mr Sheeran in Ed or Red. He really wasn't expecting that! All of this and Greg James' update on the UKs official chart.