![THE GOOD: We think we've said it before, but there's no harm in saying it again - red is most certainly Rosamund Pike's colour. While we'd happily wave bye-bye to the jarring mid-thigh cutouts in this statuesque Azzedine Alaia, the way the cut hugs her figure without looking too "adult movie awards" is inspired, and the hint of a fishtail adds the perfect balance. (Gone) Girl is killing it.](/web/20160129053815im_/http://www.smh.com.au/content/dam/images/g/m/g/i/q/a/image.related.indexLead.300x200.gmgj2g.png/1454016560605.jpg)
Best & worst dressed celebrities of the week
In this week's red-carpet roundup, Lily James demonstrates how to pull off lingerie-style gowns, Rosamund Pike offers a masterclass in wearing red, and one rapper reveals a little too much. By Emma Day and Nyree McFarlane.