Demi Lovato revealed her biggest pet peeve to Popstar! Magazine – water bottle sweat. “You know when the water bottle gets condensation, and it just starts getting wet on the outside,” Lovato explained. “Especially when you’re on set and they’re like, ‘Hey you want a water?’, and you’re like ‘Yeah, sure’ and it’s all wet and you’re like, ‘Okay, what am I supposed to do with this?'” Watch the clip below.