LOS ANGELES, CA - FEBRUARY 08: Singer Katy Perry attends The 57th Annual GRAMMY Awards at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
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LONDON, ENGLAND - NOVEMBER 23: Lily Allen attends the British Fashion Awards 2015 at London Coliseum on November 23, 2015 in London, England. (Photo by Anthony Harvey/Getty Images)
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Green ombre hair
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Woman with pink hair over one eye in a black dress
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TORONTO, ON - JUNE 19: Lady Gaga poses in the press room at the 22nd Annual MuchMusic Video Awards at the MuchMusic HQ on June 19, 2011 in Toronto, Canada. (Photo by George Pimentel/WireImage)
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