You can't turn on the radio without hearing Ke$ha's defiant "We R Who We R." The 23-year-old pop artist will perform this hit and other favorites on her debut "Get Sleazy" tour. Be prepared for a raunchy show of glitter, grinding and some very, uh, sexually empowered lyrics. You might want to cancel your plans the next day, as Ke$ha promises, "We go until they kick us out, out/ Or the police shut us down, down."