I'm not at all surprised, in fact her every move was totally predictable.
Edele - a genuinely nasty bitch, whose reputation as one preceded her, and at first, she set about portraying herself as 'little Miss Nice' - the voice of reason, a very fair - if somewhat boring - house-mate. As with the others, the façade soon slipped however, and the bitter, ugly person she really is has been well exposed over the past few days. Her desire to win at all costs was illustrated by her pathetic 'showmance' style attachment to George, and her desperate cringe-worthy foray into the pool fully clothed, once she had learnt that she had been perceived by the public as 'boring'. She may have also started to pick on Gary for the same reasons, but the hatred in her ugly, contorted face when she was berating him in the garden was all too real.