What Pop Star Lady Gaga Did on Stage Thursday Night Has Some Calling It Downright ‘Sick’ (GRAPHIC) Pop star Lady Gaga is known for her shocking outfits and antics. But what she did on stage Thursday night at the South By Southwest festival in Austin, Texas, has left even some of the most desensitized critics calling it “ridiculous” and “sick.” While performing her song “Swine,” the singer was joined by someone named Millie Brown. Brown is an artist of sorts who specializes in painting with…vomit. That’s right, she ingests colored liquid and then sticks her fingers down her throat and...