Rihanna
Usher
Taylor Swift
Madonna
Daniel Tichenor, Brad Shultz, Matt Shultz and Jared Champion of Cage the Elephant
Singer Aloe Blacc
Lady Gaga and Tony Bennett
Patrick Carney (L) and Dan Auerbach of the Black Keys
Singer Charli XCX
Olivia Culpo and Nick Jonas
Singer Jessie J
Musicians Este Haim, Danielle Haim and Alana Haim of Haim
Big Sean and Ariana Grande
Actress/singer Anna Kendrick
New "Late Late Show" host James Corden and TV producer Julia Carey
Singer Jenny Lewis
Singer Hozier
Keith Urban and Nicole Kidman
Singer Chris Brown
Gwen Stefani
Katy Perry
Musician Ne-Yo
Donald Glover, a.k.a. Childish Gambino
Chrissy Teigen and John Legend
Sia and "Elastic Heart" music video star Maddie Ziegler
Singer Meghan Trainor
Singer Ed Sheeran
Will Farquarson, Dan Smith, Chris Wood and Kyle Simmons of Bastille.
Jennifer Hudson
Iggy Azalea
Miley Cyrus
Beyonce
Pharrell Williams and Helen Lasichanh
Weird Al Yankovic
Oscar host Neil Patrick Harris with David Burtka
