I like her better now. Her band was dragging her down and she was too emo in my opinion when she was with them. Now she's all sexy and fun and her music is way better.
My favorite song of hers is
What You Waiting For. This song is so cool on so many levels plus the costumes and shoes in the video just rock!!!
Hollaback and Wind It Up are very rocker chic (I think) and Luxurious is a cool crossover into R&B type pop.
I admire her because she's not afraid to experiment and try new stuff.