Regarding the first image, the way I draw the hip area and legs in general is pretty exaggerated, I remove a lot of muscle and curve the bones. The left of each set is more correct if you’re aiming to.
For anyone who somehow still thinks Harley Quinn and the Joker are a good couple. You're fucking idiots. The Joker is the worst thing that ever happened to an incredibly kind woman, and she's finally realized it.