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For context, Sydney is starring as Christy Martin — the American fighter known for putting women’s boxing on the map in the mid ‘90s — in a biopic due to release later this year. Speaking to W Magazine for a brand new cover, it was revealed that Sydney gained over 30 pounds to play the part.
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“I came onboard to play Christy, and I had about three and a half months of training,” she said, recalling that she “loved” the whole experience.