You can’t get much closer than a sister! Kim Kardashian proved how tight she is with her sister Khloé Kardashian via Instagram on Saturday, July 21, when she shared a video of the Good American co-founder getting up close and personal with her. In the clip shared to Kim’s Instagram Story, the SKIMS creator could be seen standing with her legs slightly spread apart as Khloé bent down into a full squat in order to help snap together her sister’s black bodysuit. “Things I find in my phone… thanks @KhloeKardashian,” Kim wrote alongside the hilarious video, which the mom-of-four recorded with her…