Demi Lovato Slams Justin Bieber On National TV

Bieber's bad boy antics, celebrities are too! Demi Lovato used her "X Factor" fame to publicly bash the singer.

• 2013-07-15T21:07:44+00:00
• Duration: 01:25

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Demi , Lovato , Slams , Justin , Bieber, National TV, cel, celebrity, stars, demi, justin, judge, xractor, showmperformance, national tv, television