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According to Songfacts.com, in a brief interview on American Idol host Ryan Seacrest's radio show on October 31, 2007, Britney said her favorite Blackout song is "Heaven on Earth."
According to Songfacts.com, in a brief interview on American Idol host Ryan Seacrest's radio show on October 31, 2007, Britney said her favorite Blackout song is "Heaven on Earth."