Star ballerina Natalia Osipova shook up the ballet world when she and her partner, Ivan Vasiliev, left the Bolshoi for the Mikhailovsky—a lesser-regarded company—in search of more “artistic freedom.” In Force of Nature Natalia, director Gerald Fox tells the story of her subsequent accession to the upper heavens of both the classical and contemporary worlds. Over at the Guardian, Peter Bradshaw says the film focuses on the sheer intensity of the work Osipova (now a principal at the Royal Ballet in London) puts into her incredible performances, rather than on her romantic life, which, he says, was “not irrelevant to discussing Osipova’s development as an artist.” Bradshaw calls her a “sylph of steel” who leaves visible bruises on the bodies of her partners. If you’re in search of a film to kick your lazy ass into gear, look no further.