Demi Lovato, specifically, recalled the moment her "Camp Rock" costar Alyson Stoner followed her into the bathroom because ...

Demi Lovato recalls Camp Rock costar Alyson Stoner finding her 'purging' during filming: 'You were there for me' Demi Lovato and Alyson Stoner reflect on viral 'She's really good!' Camp Rock meme ...

Demi Lovato tackled child stardom when making her directorial debut with documentary Child Star - but only one of her former Camp Rock costars takes part in the film. Alyson Stoner - who played ...