Why did Robbie Williams never crack the US? As Americans claim they've 'never heard' of the megastar -  how his 'cheeky' British humour and 'uninspiring' music crushed his transatlantic dreams

Better Man, which depicts Robbie as a CGI monkey navigating the highs and lows of his music career, hit cinemas in the US on Christmas Day - much to the dismay of American audiences.