More questions arose about Kate Middleton’s whereabouts this weekend after the Princess of Wales was spotted looking “happy and healthy” at a farm shop near her Windsor home, RadarOnline.com can report. Princess Kate was said to be spotted looking “happy, relaxed, and healthy” on Saturday as she and Prince William visited a farm shop just one mile away from their Adelaide Cottage. This marked the first time the Princess of Wales was spotted out and about in public since her 13-day hospital stay for abdominal surgery back in January, and the sighting also came amid a firestorm of speculation re…