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Demi Lovato has checked into a treatment center to get help for 'emotional and physical issues.' Her rep told TMZ: 'Demi Lovato left her tour early this weekend in order to seek medical treatment for emotional & physical issues she has dealt with for some time.' She is not seeking treatment for drug use:

'Demi has decided to take personal responsibility for her actions and seek help. She is doing just that. [Demi] regrets not being able to finish her tour, but is looking forward to getting back to work in the near future.' She was in a physical altercation with a female member of her tour recently which was a 'catalyst' in her decision to seek professional help.