Demi Lovato arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Demi Lovato arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Meghan Trainor, left, and L.A. Reid arrive at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Mariachi los Camperos de Nati Cano arrive at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
LOS ANGELES, CA - FEBRUARY 15: Rapper Kendrick Lamar (L) and Whitney Alford attend The 58th GRAMMY Awards at Staples Center on February 15, 2016 in Los Angeles, California. (Photo by Larry Busacca/Getty Images for NARAS) (2016 Getty Images)
Jose-Luis Orozco arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Chrissy Teigen, left, and John Legend arrive at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Tori Kelly arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Ariana Grande arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Ellie Goulding arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Z LaLa arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Franz Stahl, from left, Nate Mendel, Pat Smear, Taylor Hawkins, Dave Grohl, and Chris Shiflett of The Foo Fighters arrive at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
La Cuneta Son Machin arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
La Maquinaria Nortena arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Karen Fairchild, from left, Jimi Westbrook, Kimberly Schlapman, and Philip Sweet of Little Big Town arrive at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Guaco arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Selena Gomez, left, and Taylor Swift arrive at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Ariana Grande arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Adele arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
The Weeknd, left, and Bella Hadid arrive at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Lady Gaga arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Workers prepare Morelia's cathedral on the eve of Pope Francis' arrival, in the Mexican state of Michoacan, Monday, Feb. 15, 2016. On his one-day trip to the capital Morelia, Francis will meet with youth and celebrate Mass with priests and seminarians, and religious men and women. (AP Photo/Rebecca Blackwell)
Los Cojolites arrives at the 58th annual Grammy Awards at the Staples Center on Monday, Feb. 15, 2016, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)