I love it how all the haters are so stressed out. Britney's making pop music at its best - sometimes the song has a deep meaning, and sometimes it's just a fun danceable song. Chill. You're maybe used to your idol changing their personality every single moment, but Brit isn't like that. She's mature - she knows it, we know it, and she just doesn't fell the need to show it in every single one of her songs.
She's running this cirucs, why? Because above her talent, she's not fake..