The Idol alum swapped her luscious, long locks for a chic, sleek pixie cut, which she debuted in October. "Black girls rock!" she wrote on Instagram. "You've been jenniferized….catch it!!" Hudson also continued to flaunt her slimmed-down physique. "I like long sleek things that make me feel good in my body," Hudson told Us on Oct. 15. "I feel most comfortable when I'm elongated."