Luckily for us - her entire outfit is not only affordable, but still available to buy.
The mother-of-three looked stunning in a black and white lace midi dress from Zara and a pair of black strappy stilettos from Office.
Willoughby's 'Tube Dress With Lace Top' is on sale at Zara for £49.99.
And her 'Trapped Strappy Point Court Heels' for £70 from Office.
If you're a fan, act quick: The 'Holly Willoughby-effect' has a habit of making her fashion choices sell out fast.