Adrianna Costa, Lance Bass with Michael Turchin, Ali Fedotowsky (+), Bailee Madison, Renee Bargh, Jordin Sparks (+), Brittany Furlon, Gavin DeGraw, Kandi Burruss with Todd Tucker, Jack and Jack, Jack Gilinsky with Jack Johnson (Jack and Jack), Samuel Andazola with Nathanael Andazola, Aaron Carpenter with Kenny Holland (+), Keltie Knight, Frankie J Grande, Morgan Stewart, Lele Pons, Ali Fedotowsky, Mary Lambert, Tanner Zagarino, Dylan Dauzat, Rocsi Diaz, Terrence J, Megan Nicole, Giuliana Rancic, Anna Todd, YG (rapper), DJ Mustard, Fergie, Lauren Elizabeth, Jhene Aiko, Lia Marie Johnson, Taryn Southern, Wyclef Jean, Garcelle Beauvais, Us the Duo, Michael Alvarado with Carissa Alvarado, R5, Rocky Lynch, Ross Lynch, Ellington Ratliff, Riker Lynch, Rydel Lynch, Tori Kay, Jenna Rose, ___46, 5 Seconds of Summer, Luke Hemmings, Calum Hood, Ashton Irwin, Michael Clifford, Pentatonix, Kirstin Maldonado, Mitch Grassi, Avi Kaplan, Kevin Olusola, Scott Hoying, Aloe Blacc, Gigi Hadid, Joey Graceffa, DeStorm Power, Meghan Trainor, Lauren Giraldo, Katie Krause, Heidi Klum (+), Katy Tiz, Kira Kazantsev, Noah Cyrus, Travis Mills, Iman Crosson, Klarity, Charli XCX (+), Maiah Ocando, Magic!, Nasri, Mark Pellizzer, Ben Spivak, Alex Tanas, Anthony Anderson with son, Miles Brown, Yara Shahidi (+), Marcus Scribner, Brantley Gilbert, Nathan Fillion, Ella Henderson, Matthew Morrison, Charli XCX (+), Becky G (+), Imagine Dragons, Dan Reynolds, Daniel Wayne Sermon, Daniel Platzman, Ben McKee, Robert Herjavec, Zendaya Coleman (+), Sam Smith (+), Uzo Aduba, Trevor Jackson, Ansel Elgort, Won G, Danai Gurira, Mark Cuban with daughter, Yara Shahidi, Omarion (brief), Jaden Smith (+), Tracee Ellis Ross (+), Kendra G, Kendall Jenner, Kylie Jenner, Khloe Kardashian, Lauren Cohan, Skylar Grey, Ne Yo, Olivia Munn, Kevin OLeary with Linda OLeary, Jaden Smith, Star Jones, Bastille, Dan Smith (musician), Kyle Simmons, Will Farquarson, Chris Woody Wood, Kate Beckinsale, Diana Ross (+), Jessie J, Luke James, __121, Selena Gomez, One Direction, Niall Horan, Zayn Malik, Liam Payne, Harry Styles, Louis Tomlinson, Nick Jonas, Danica McKellar (+), Julianne Hough, Luke Bryan with wife, Lucy Hale, Dianna Agron, Mary J Blige with Kendu Isaacs, Rita Ora, Bleona Qereti, Forever in Your Mind, Emery Kelly, Ricky Garcia, Liam Attridge, ASAP Rocky with guest, Taylor Schilling, Danica McKellar with Scott Sveslosky, Jason Zhang Jie, Jenny McCarthy with Donnie Wahlberg, Bob Weir with family, Natascha Munter, Chloe Weir, Monet Weir, Christina Milian, Matthew Espinosa, Nicki Minaj, Xiao Yang with Wang Talli, Jennifer Lopez, Elizabeth Banks,
