Exercise on the skinny bitch diet

Well i dont know what these skinny bitches eat at home i only see them at school for breakfast and lunch so i am altering my diet and going on the insanity changellenge as well yeah me, so my starting weight is 160 i probably want to lose 5 to 10lbs but what i really want to be is toned yeah mama, so i plan to eat my dinner normally and the exercise so i burn of the excess calories i guess, we will see how this goes its still a working progress