Demi Lovato to Elle: Enough Was Enough

"When you punch someone on a plane, enough is enough."

So says Demi Lovato in the latest issue of Elle, opening up about the confrontation with Alex Welch, a backup dancer on her tour last fall, that finally made Demi realize: Wow, I need help.

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But the personal issues, later attributed to Bipolar Disorder, started much earlier than December, when the aforementioned incident took place.

"I was completely out of line all summer," Lovato says. "Just the worst attitude - totally ungrateful."

How much of a role did her split with Joe Jonas play in Demi's downfall and eventual treatment center stay? None, really, she says: "I wouldn't credit my meltdown to a guy. There was so much other stuff in my life."

Pick up the September issue of Elle to read more from the singer - including her experience with bullying as a child - and click on the following images to enlarge shots from her magazine spread:

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