Honestly, is there a more badass chick in the biz? Pink has to be one of our favorite girl power singers, and we have loved watching her go from slashing tires to being the attentive mother she is today. After recently celebrating the big four-zero, let’s take a look at how American’s not-so-sweetheart has transformed over the years. Scroll through the gallery to see how Pink went from hot pink hair to bringing her babies on tour.