Actress Christina Hendricks attends the "Mad Men" season 4 finale screening at the 21 Club on October 17, 2010 in New York City. (Getty Images)more pics »
Looking for a brand new hair color for 2011? Whether you're thinking of darkening down or lightening up, consider taking a cue from any of these well-tressed stars. This year, we're anticipating a lot of shocking reds (a la Rihanna) and blackest blacks, with plenty of natural-looking highlights thrown in for good measure.