Hilary Duff shows off dramatic new look as she awaits arrival of third child

Hilary Duff is pregnant with her third child (Yui Mok/PA)

Hilary Duff has revealed a dramatic new look – but denied it is a hint about the gender of her baby.

The Lizzie McGuire actress, 33, who is heavily pregnant with her third child, shared a string of pictures showing off bright blue hair as she thanked her stylists.