Who have you seen live? I literally spend 90% of my disposable income on concerts :LOL: so this list probably isn't everyone!
Lady Gaga x2 - 2014, 2022 - should be x3 but her 2017 tour was cancelled :(
Britney Spears x3 - 2011, 2018 x2
Beyoncé - 2016, 2023 (will be x2 in May)
Spice Girls x2 -...