According to insiders, Lady Gaga is rumored to be one of three major artists preparing to announce a Latin American stadium tour later this summer. So far, Bruno Mars has reportedly been revealed as one of the other names involved, leaving fans desperately trying to figure out who the third artist could be. Social media is already in full meltdown mode, with Little Monsters convinced a major announcement could be just around the corner. If true, this could easily become one of the biggest touring events of the year.