The ladies both donned nude-coloured frocks - but which lady did 'naked' best?
Let's break it down:
Jessica''s sequin and lacy dress had a bit more sparkle (15 Love)
Kate's scarlet heels were sexier than Jessica's girlie ankle-strap numbers (15 All)
Jessica's red pout made her makeup pop (30 15)
Kate's ponytail is more stylish than Jessica's dip-dye waves (30 All)
We could go on, but the emerging picture is... it's a style tie. Who wins for you?
Love Kate's updo? See more glamorous star styles here: