As parents we stress about how the examples we set shape our children's habits, and health and beauty routines are no exception. We may ponder whether pampering sends the right message, but for better or worse it is rooted in our culture's gender stereotypes. Madonna's mini-me, daughter Lourdes Leon, is known to express herself with dark polish and even little Suri Cruise has been spotted flaunting red nails while shopping with her mom, Katie Holmes. Would you let your child get a professional manicure, and if so, at what age?