Ok lets get two things straight:
1. This is a huge achievement for Rih so lets applaud her
2. Nobody bet anyone. David Guetta is massive in France, just like Rihanna, so obviously when you combine the two together the concert was bound to sell more than it would have if it were just Rihanna and ASAP for example. Not to mention the fact that gaga done it a lot earlier in her career, and her stage was bigger which meant less tickets were on sale. Both achievements are incredible, lets not pit them against eachother.
