Welcome to The Playlist, the show where viewers control the running order and different pop celebs play the tracks that have been chosen on the CBBC website. The most-streamed A-listers, the best tunes and videos. Radio 1's Greg James unveils the UK's latest Official Top 10 countdown. It's your unmissable destination for all things music.

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.