I don't mind his new look, but he looks like he's trying to force a bad boy image to me, possibly because he knows Derek has "clean cut" all sewn up so he has to go for something different.
I really hope he's just playing the game as it were and doesn't think he and Bristol are being underscored.
I think she's been overscored from week one. The only time the judges really got honest, imo, is the week they gave technical and artstic scores. IIRC CA broke out the 4 that week.