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Gwen Stefani rocked her signature bleach blond hair and red lips while she performed at the Global Citizen 2015 Earth Day event on National Mall in Washington, DC on April 18th, 2015. The No Doubt singer came out towards the end of the day, but managed to keep the already tired and sun-logged crowd energized. Other performers at the event included Mary J Blige, Usher and Common. The event aims to raise awareness about climate control and bringing and end to extreme poverty.
Credit: Getty Images