She looked near-unrecognisable as she took to Instagram to reveal that she had dyed her long golden blonde locks black and chopped it into a pixie cut ... marking her West End debut.

Reminiscent of her pre-"Wicked" look, the dye job represents a departure from the aesthetics of the press tour, which became a story in their own right. In a 1960s pale yellow Givenchy gown paired ...