LOS ANGELES, CA - MAY 09: Singer Justin Bieber performs at 102.7 KIIS FM's Wango Tango at StubHub Center on May 9, 2015 in Los Angeles, California. (Photo by Chelsea Lauren/WireImage)
LOS ANGELES, CA - MAY 09: Singer Justin Bieber performs at 102.7 KIIS FM's Wango Tango at StubHub Center on May 9, 2015 in Los Angeles, California. (Photo by Chelsea Lauren/WireImage)