thefame Benny Blanco, Halsey, Ryan Tedder, Zara Larsson, Madison Beer, Ava Max, Chloe Bennet, Katy Perry, Julia Michaels, Charli XCX, Niall Horan, Danielle Campbell, Post Malone, James Corden, Lady Gaga, Ed Sheeran, the guys from 5SOS & BTS, Maggie Lindemann, David Dobrik, Kehlani, G-Eazy, girls from Little Mix