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CARSON, CA - MAY 13: Singer Katy Perry, earring & nose ring detail, attends 102.7 KIIS FM's 2017 Wango Tango at StubHub Center on May 13, 2017 in Carson, California. (Photo by David Livingston/Getty Images)

CARSON, CA - MAY 13:  Singer Katy Perry, earring & nose ring detail, attends 102.7 KIIS FM's 2017 Wango Tango at StubHub Center on May 13, 2017 in Carson, California.  (Photo by David Livingston/Getty Images)