Following Lady Gaga's interesting, and debatably disturbing, SXSW performance, Demi Lovato took to Twitter to criticize the bit involving performance artist Millie Brown. Lovato's struggles with eating disorders and addiction are well-known, and so she was quick to point out that Brown forcing herself to vomit all over Gaga was unacceptable. She stated that Gaga was glamorizing eating disorders and that the performance wasn't "cool" in any way whatsoever. "Putting the word ART in it isn't a...