Som respons til YouTube videoen til "Friday", begyndte Black at modtage dødstrusler i slutningen af 2011, specielt via telefon og email.<ref>{{cite web|last=Wright|first=David|title=Rebecca Black, 'Friday' Singer, Receiving Death Threats|url=http://abcnews.go.com/Entertainment/rebecca-black-friday-singer-receiving-death-threats/story?id=13425921|publisher=[[ABC News]]|access-date=2011-04-21}}</ref> Disse trusler er ved at blive undersøgt af Anaheim Police Department.<ref>{{cite web|url=http://uk.eonline.com/uberblog/b237303_rebecca_black_death_threats_under.html |title=Rebecca Black Death Threats Under Investigation |publisher=Uk.eonline.com |date=2011-04-19 |access-date=2011-06-28}}</ref>
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