Actresses Nicole Kidman and Salma Hayek appeared to collide in a tense run-in at the Balenciaga show during Paris Fashion Week in September. The awkward exchanged played out on camera as Kidman apparently pushed Hayek’s hand away, trying to distance herself while paparazzi swarmed around them. A photographer could be heard asking for “one more” shot, and it appeared Hayek tried to physically turn Kidman toward him — which is when the situation seemed to escalate. Kidman donned a black turtleneck dress, sheer tights and bold sunglasses, shielding her eyes from the flash and onlookers who surrou…