Ke$ha appeared on American Idol singing Blah Blah Blah with 3!OH!3! and had a bunch of real TV's on stage, and during her very weird performace, she punched the TV's with her hand. I think the glass was fake. Hopefully. Ke$ha is like 23 and when u r typing the name it is annoying to put the dollar sign evey time! KESH KESHA KESHA ha I broke the rules. And everyone should know that Lady Gaga sings Alejandro or else they are not a person.