Ugh! After Avi tore off in his little red car, (narrowly avoiding a crash!) Whitney just marched past Nada without a second glance and was continuing her usual stomp around the car park thing. I guess one of the crew pointed back towards Nada eventually, causing Whitney to retrace her steps a bit and make it look like while it was ALL about her, she better throw in a sisterly hug of condolence so she didn't look like a complete bitch!
I agree with other posters, that whole hike thing was a set up. It was obvious Nada was struggling to walk even in the airport, her centre of gravity is all off. It was despicable the way the camera kept showing her in long shots gasping for breath. How was this relevant to this already convoluted story, unless to show Whitney as being relatively nimble in comparison? Bet it was all her idea.