Demi Lovato fan art made by me - KanonKyu

For the first time since entering rehab last fall, Demi Lovato is opening up about the problems that led her to seek treatment in the first place.

The Disney starlet, whose rep had previously said she was getting help for "emotional and physical issues," revealed in the May issue of Seventeen that she had been struggling with cutting, an eating disorder and depression for years.

But Lovato's troubles came to a head in October, when she punched Alex Welch, a dancer on her international tour with the Jonas Brothers.

"Lashing out was my cry for help," the 18-year-old told Seventeen. "Wow, who was...

"La La Land"

I am confident but
I still have my moments.
Baby, that's just me.

I'm not a supermodel,
[CD version:] I still eat McDonald's.
[video version:] I still eat at Ronald's.
Baby, that's just me.

Well, some may say I need to be afraid
Of losing everything.
Because of where I
Had my start and where I made my name
Well everything's the same
In the la-la land machine, machine.

Who said I can't wear my converse with my dress?
Well, baby, that's just me!

And who said I can't be single
And have to go out and mingle
Baby, that's not me, no, no.

Well, some may say I need to be afraid
Of losing everything.
Because...