http://www.nickiswift.com/118146/celebs-cant-stand-demi-lovato/

Demi Lovato is honest to a fault. She's open about her struggles with bulimia, bipolar disorder, alcoholism, and drug addictions. She's also open about her views on everything from mental health to feminism to politics. The only real problem with Lovato's honesty is that, while it's admirable and has earned her millions of devoted "Lovatics," her outspoken nature has made her quite a few enemies along the way.

From her unfiltered nature in interviews to her occasional Twitter tirades, Lovato will always let you know how she's feeling. And in the case of these stars, well, they weren't too happy to hear about it … but it's safe to say that Lovato's response to these bitter celebrities would probably just be, "Sorry, not sorry." In fact, she once said after a particularly tetchy time, "I get asked questions. I answer them. Sue me … still not apologizing for saying what everyone wants to say."

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