Jessica Simpson's brand is massive. Her music and acting careers are secondary, as her fashion range, which includes clothes, shoes and bags, is how the mom of two really earns her keep.
With Mother's Day coming up, the offspring of these rock star moms have to be wondering: what do you get the mother who has fame, fortune and the coolest job on the planet? Check out our gallery and see the women who can carry a tune and a Baby Björn, too...