Barely thereBoth Diane Lane and Kate Beckinsale prefer rimless glasses, which give them plenty of freedom to play up their eyes. But since these glasses don't frame the face as much, defined brows are a must.
To get them, fill in your natural arch with a brow pencil that's one or two shades lighter than your current hair color. (Try COVERGIRL Brow & Eyemakers Pencil, $3.49.) Should you need help locating your natural arch, invest in a brow kit or see a seasoned brow pro. (The latter is one of the best things I've ever done for myself.)