Up? Down? Just like Dr. Phil, we tell it like it is! Most Hollywood starlets are surrounded by an entourage who gush over them 24/7 but sometimes all they really want to know is the hard truth: Does my hair look better up or down? We're here to tell them. Click through the gallery to see if you agree with our brutally honest advice. Jennifer Aniston She made "The Rachel" famous the world over and each time Aniston emerges from the hair salon it becomes headline news. The power of her tresses isn't lost on the actress, who refuses to step out without a perfect blowout. On those rare occasions when she dares to wear it up, we're sorry, but we're just not feelin' it. Jessica Alba Like many busy moms, the actress has been wearing her hair up more and more over the past few years, not only on the playground but on red carpets too. While she certainly has the features to pull off the look, we'd like to see more of her long-lost hair. Jennifer Lopez When you...