On Jan. 21, Grammy-nominated singer Katy Perry will join a growing number of celebrities and women marching on Washington to oppose President-elect Donald Trump's inauguration. Ahead of the national event she's also lending her star power and her pocketbook to "#DontNormalizeHate" a short-film PSA posted to YouTube that draws parallels between Trump's anti-Muslim rhetoric and the mass incarceration of 120,000 Japanese American citizens during World War II, and asks: Is history repeating itself?

Perry executive-produced the powerful public service announcement, which shares the true story of 89-year-old Haru Kuromiya, a native of Riverside, Calif.,  who was a girl when her family was forced to leave their homes and submit to mass incarceration by order of the American government — an act of prejudice and fear that remains an ugly stain on U.S. history.

"My entire family was put on a registry," she recalls, before a potent twist lends the PSA an urgent relevance. "Our constitutional rights were taken away from us."

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