Miley Cyrus' new single "We Can't Stop" (RCA) is part dance anthem, part poke in the eye to those who don't want the 20-year-old Disney princess to grow up. The track, produced by Mike WiLL Made It of 2 Chainz fame, feels more like Rihanna circa "Umbrella" than something cutting edge. Maybe that's why Cyrus, who co-wrote the song with Mike WiLL and Rock City, feels the need to generate some attention with lyrics about strip clubs and "dancing with Molly" drug use. But that doesn't really make her sound cool, just that she's trying too hard.