4. In order to promote the EP, Gaga embarked on the eighteen-month long Monster Ball Tour, which became one of the highest-grossing concert tours of all time. Her album Born This Way was later released, topping the charts on several major markets and spawning international chart-topping singles "Born This Way", "Judas" and "The Edge of Glory". Aside from being a recording artist, Gaga has also involved herself with humanitarian causes and LGBT activism.