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James Middleton, 28, and girlfriend Donna Air, 36, have called it quits, E! News has learned.
They did not comment, although Air posted on Wednesday a cryptic picture on her Instagram page, showing a blackboard with an illustration of a person lying on a yoga mat, with an inspirational quote written on it.
James and Air, a British model and TV host who has a 12-year-old daughter from a previous relationship, had been dating for more than two years and had occasionally attended celebrity events together. They were last photographed at the 2015 Wimbledon tennis championships in London in July.