Ever wonder if they do or don't? With some, it's a no-brainer. One day they're curly, the next, straight!
These are famous curlies who I think are BKTers. When you look at old pics, the transformation is amazing!

Chelsea Clinton
Julianna Margulies
Keri Russell
Nicole Kidman
Sara Jessica Parker
Andie Macdowell
Shakira ?