A company called Pollstar has researched all of music's touring acts and have released a list of the most profitable touring acts in 2011:

10- Celine Dion

9- Lil Wayne

8- Jay-Z & Kanye West

7- Sade

6- Elton John

5- Bon Jovi

4- Lady GaGa

3- Kenny Chesney

2- Taylor Swift

1- U2

Did you get a chance to see any of these acts last year?