Last night Kenna brought together his celebrity mountain climbers to celebrate their impending Mt. Kilimanjaro trip in January. He joked about why JT had to bail on the hike, though Jessica Biel was there last night and will represent in Africa. Zach Braff got super friendly with Kenna on the red carpet, though joked with us that he's not quite up for the journey. Check out our exclusive video of all that and more — watch the PopSugar Rush Update now!