How to rebel when your mom is one of the most envelope-pushing performers of all-time? Well, according to Lourdes Leon, you dye your hair black! Back in October, Madonna‘s daughter told InStyle she was planning on celebrating her 14th birthday with a new hair color. Lourdes was eying a bright blue shade, while Madonna favored a deep raven black. At this month’s Harry Potter premiere, it was clear Lourdes took Madonna’s advice.