At the recent South By Southwest Festival in Austin, Tx, Lady Gaga had a "professional vomit painter" throw up on her onstage - and that didn't sit well with Demi Lovato.

Demi, who was once treated for an eating disorder, released this statement after Gaga's stunt:  "Bulimia isn’t cool, and it won’t get you on stage with your favorite artist. Young people who are struggling to figure out their identities are seriously influenced by the things they see their idols do, [and] some are people who aren’t capable of understanding the art that is expressed by their idols. Putting the word ART in it isn’t a free card to do whatever you want without consequences."

Gaga hasn't responded.

If you are so inclined, you can watch Gaga's stunt HERE.