Daniele Venturelli/WireImage; Christopher Peterson/Splash News

E! OnlineDaniele Venturelli/WireImage; Christopher Peterson/Splash NewsE! OnlineAs of yesterday, the "Tik Tok" singer actually has. The pop star unveiled her rainbow locks (yup, all six colors!) on her Instagram. The splashy transformation came just one day after the singer was snapped with wet blond hair and makeup-free in New ...