Any rap act. 
Taylor Swift. 
Bruce Springsteen. 
Jon Bon Jovi. 
Beyonce. 
Lady GaGa. 
Madonna.
Marilyn Manson.
Sam what's-his/her/it's-name.  The fat he/she/whatever with the devil horns. 

There are probably dozens more I'm forgetting, plus a lot of bands that aren't together anymore.