She is every bit as ambitious to win it as Will. She just hides it better, imo.
Nothing wrong with wanting to win, of course, it's a competition after all!
I do admire the fact though that she has at no time, tried to bring the horrible relationship situation she was/ is in, into the programme.
Actually an old clip of Strictly was on an old episode of Gogglebox recently and one of the goggleboxers said to the other something along the lines of 'I'm so glad there are no sad stories on Strictly like there are on X Factor. Strictly is so feel good.'