Rihanna took like five tours to finally achieve a $100 million grossing tour.
Gaga achieve a $200 million grossing tour with her debut tour.
Rihanna took seven album to get a #1 album
Gaga took two albums to get a #1 album.
With seven albums, Rihanna has sold 27 million albums.
With two albums and one EP, Gaga has sold 25 million albums.
Gaga, the album artist, has a Diamond-certfied solo single.
Rihanna, the singles artist, has a Diamond-Certified single as a feature.
Truly embarrassing.
