This new eight-part Sky Original reality series reveals the Gemma behind “The GC” as she tackles her most challenging year to date.Known for her larger-than-life personality, unfiltered honesty and ability to turn even the most ordinary moment into an event, there is very little the world thinks it doesn’t know about Gemma. But behind the headlines is a woman trying to navigate life and the very real personal challenges that come with it: her re…