Keke Palmer is switching things up, and we’re taking notes. The actress, whose new movie “One of Them Days” hits theaters on January 17, was recently seen doing press for the film while sporting an entirely new look. Not only did Palmer go ultra-short with a chin-grazing bob haircut, but she also went bold with the color, opting for a fun “cowboy copper” shade. Palmer has been favoring longer styles and muted hues lately, so this dramatic chop and color refresh is a noticeable shift. Last year, plenty of celebrities took cowboy copper for a spin, including Riley Keough, Tessa Thompson, and Megan Fox. With Palmer on board, it’s clear…