Britney Spears is dead
This theory says that Britney Spears and Justin Timberlake were in a terrible car accident. It happened in the late 90's, when the couple were coming back from a date. As a result, Britney tragically died. Since then, her clones have occupied the world. Theorists especially like Britney's song "Mona Lisa" (2005), because it has the words "she was cloned".
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