Day 1:
Sam Smith, Ashley Tisdale with Christopher French, Taylor Lautner, Guy Lawrence with Howard Lawrence, Krewella, Jahan Yousaf wtih Yasmine Yousaf, Becca Tilley (+), Nick Viall, Josh Murray with guest, Travis Mills, ____, Candice Patton, Demi Lovato, Courtney Love, Duran Duran, Roger Taylor, Nick Rhodes, Simon Le Bon, John Taylor, David Guetta, Hayes Grier with Nash Grier and guests, The Killers, Brandon Flowers (singer), Ronnie Vannucci Jr, Mark Stoermer, Dave Keuning, Christina Grimmie, Shaggy, Mario (singer), Jiff the dog, Bryshere Y Gray, Jason Derulo, ___, Courtney Bingham, Ryan Seacrest, Stephan Jenkins, Josh Hutcherson, Mandy Jiroux,
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Day 2:
George Ezra, Tori Kelly, Alvaro Soler, Tove Lo, Zella Day, Prince Royce, Kat Graham, James Bay, Blake Shelton, The Struts, Ted Elliott, Gethen Davies, Luke Spiller, Adam Slack, Wilmer Valderrama, Machine Gun Kelly, Rachel Bloom, Shawn Mendes, Hozier, DNC, Cole Whittle, Joe Jonas, JinJoo Lee, Jack Lawless, Matt Bomer, Tyga, Walk the Moon, Michael Malarkey, Cheryl Burke, Sydney Sierota, Jennifer Lopez, Lee Brice,
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G Eazy, Ashley Benson, Hailee Steinfeld, Nick Jonas, Camila Cabello, Shawn Mendes, Muni Long, Priscilla Renea, Fall Out Boy, Pete Wentz, Patrick Stump, Andy Hurley, Joe Trohman, Trey Songz, Rita Ora,
