Demi Lovato recallsCamp Rockcostar Alyson Stoner finding her 'purging' during filming: 'You were there for me'

Demi Lovatois opening up about a painful experience she shared with former costarAlyson Stoner.

“I had been purging.

Lovato and Stoner have both been public about theirstruggleswitheating disordersafter enduring the gauntlet of child stardom.

Demi Lovato and Alyson Stoner on the ‘Camp Rock’ set.John Medland/Disney Channel via Getty

But two, I was really grateful that you were there for me.”

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Lovato and Stoner costarred alongside theJonas BrothersinCamp Rockand its sequel, 2010’sCamp Rock 2: The Final Jam.

Demi Lovato and Alyson Stoner in ‘Camp Rock’.Disney

Stoner compared working with Lovato to “walking on eggshells.”

True Hollywoodstories that then actually perpetuated what I call the ‘toddler-to-train wreck pipeline.'"

But really I was just a teenager that was struggling."

Child Staris streaming now on Hulu.