Ariana Grande to play Manchester charity concert on Sunday for bomb victims
LOS ANGELES, CA - FEBRUARY 08: Singer Ariana Grande performs "Just a Little Bit of Your Heart" onstage during The 57th Annual GRAMMY Awards at the at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)Kevork Djansezian
SANTA CLARA, CA - FEBRUARY 07: Chris Martin of Coldplay performs during the Pepsi Super Bowl 50 Halftime Show at Levi's Stadium on February 7, 2016 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)Ezra Shaw
SEATTLE, WA - MARCH 09: Justin Bieber performs on stage during opening night of the 'Purpose World Tour' at KeyArena on March 9, 2016 in Seattle, Washington. (Photo by Mat Hayward/Getty Images)Mat Hayward
GLENDALE, AZ - FEBRUARY 01: Singer Katy Perry performs during the Pepsi Super Bowl XLIX Halftime Show at University of Phoenix Stadium on February 1, 2015 in Glendale, Arizona. (Photo by Kevin C. Cox/Getty Images)Kevin C. Cox
PHILADELPHIA, PA - AUGUST 31: Pharrell Williams performs onstage at the 2014 Budweiser Made In America Festival at Benjamin Franklin Parkway on August 30, 2014 in Philadelphia, Pennsylvania. (Photo by Theo Wargo/Getty Images for Anheuser-Busch)Theo Wargo