We’re continuing to trudge through our Must List polls, thanks for your continued support. Next up: What pop star icon has the Must style of the summer? Lady Gaga was spotted on Ellen DeGeneres’ show wearing some sort of contraption that orbited around her. Does that float your boat? Or do Rihanna’s infinite variations on the faux-hawk inspire you? Do we even need to mention Sasha Fierce? Look at our selections below and weigh in! As always, feel free to pipe up with your own suggestions in the comments.<iframe frameborder="0" height="240" marginheight="0" marginwidth="0" scrolling="no" src=" ” width=”400″>