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Music video by Demi Lovato performing Live In London (Trailer).

Pre-order Demi's new album on iTunes - http://smarturl.it/dlitunesa1 Get Demi's new single "Heart Attack" on iTunes - http://smarturl.it/dliTuness3

Music video by Demi Lovato performing Neon Lights. (C) 2013 Hollywood Records, Inc.

Music video by Demi Lovato performing Nightingale. (C) 2013 Hollywood Records, Inc.

Music video by Demi Lovato performing Warrior. (C) 2013 Hollywood Records, Inc.

Music video by Demi Lovato performing Two Pieces. (C) 2013 Hollywood Records, Inc.

The new album DEMI available May 14. Pre-order NOW on iTunes - http://smarturl.it/dliTunesa1 Get Demi's new single "Heart Attack" on iTunes -...

Demi Lovato performs Lightweight

"Heart Attack" premieres on 4/9. Demi Lovato - Heart Attack (Official Music Video Teaser #3) HD, Demi Lovato, Hearth Attack, official music video,...

FULL NEW SINGLE OF DEMI LOVATO !!!

Demi Moore

Demi Lovato - Lightweight (New Full Single Song)

Demi Lovato has left touring with the Jonas Brother to check into rehab. Submit your videos at http://itn.co.uk/itndirect.html

Demi Lovato - Remember December Sub Español

Demi drops her mic!