Fueling rumors that her two-month marriage to Kris Humphries is already on the rocks, reality TV starlet Kim Kardashian appeared minus her other half at the Midori Melon Green Halloween Party in New York City Saturday night. Dressed as Batman's plant-loving nemesis Poison Ivy, Kim, 30, hosted the event accompanied by her friend Jonathan Cheban, who went as Batman's sidekick Robin, the Daily Mail reports.

Kim went with a green theme to complement the color of the event's sponsor, Midori Green. Her luscious curves were on full display in the costume, which closely resembles the outfit worn by Uma Thurman when she played Poison Ivy in the Batman & Robin, the 1997 film directed by Joel Schumacher.

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