It seems like the entire internet is dunking on Ingrid Andress after her disastrous rendition of the National Anthem, but one person is still in her corner ... Roseanne Barr.
As you know ... Ingrid was relentlessly roasted Monday for her anthem performance at the MLB All-Star Home Run Derby, an incident that took a more serious tone Tuesday, when the singer revealed she was drunk at the time, and would head to rehab.
Even before that revelation though, Roseanne had Ingrid's back, telling TMZ people needed to back off .