The devil works hard, but this pair of Spanx is working harder.

Ordering for Realisation Parr usually involves a little bit of blind faith when it comes to sizing, but after visiting their pop up in Harrods (on until October) and trying on The Allegra, which I'd toyed with the idea of getting for the longest time, I was sold.

She's an unbelievably flattering fishtail maxi that finally lets me play out my How to Lose a Guy in Ten Days yellow dress fantasy. It's one of the more overlooked colour in my wardrobe, but one that I'm now all ears for. Here are eight of my picks for the best yellow dresses.