In 2006 she was Stefani Joanne Angelina Germanotta, an earnest singer-songwriter with long brown hair, fairly normal clothes and a penchant for piano-driven love songs. Now she is Lady Gaga. The queen of makeovers has tried everything: hair bows, teacups, bright yellow hair, Diet Coke hair rollers, head lobsters, outfits made out of Muppet carcasses — you name it, and Gaga has done it.