This is most likely just a reaction to her coasting the trial yesterday. See on the graph below she was as high as 54/1 only a short while ago.
The sad fact is she'd most likely be an odds-on cert to win if her Nationality was English. The English can almost always be banked on to vote for one of their own over Irish-Scot-Welsh.
The odds have suggested it's been a 2-horse race between Whyment&Kemp for quite some time.. and having her see off
both of them is a tough ask. Pretty boy will likely emerge as another rotten winner of the show. And Whyment would hardly be any better. A bull****ting latecomer who is trying to "Kirk" his way to the win.