Former TOWIE star Lucy and her younger sibling Lydia spent the day in front the camera ahead of a new - and mystery - beauty campaign.
Although she kept tight-lipped about exactly what project they are working on together, Lucy did give fans a sneak peek of herself and her sister while waiting in the wings!
In the black and white shot, Lucy and Lydia looked primped and preened to perfection as they wait for their big moment in towelling dressing gowns. While Lucy's short brunette hair had been gently curled, Lydia's blonde locks were kept in a more natural straight style.
Posting the picture on Instagram, Lucy told her followers: "Loved working with my little sis @lydiameck today.. We had such a good time shooting a beauty campaign together #behindthescenes."
The similarities between Lucy and Lydia are striking - and it's not the first time they have modelled together either.
In March 2014, Lucy joined Lydia in front of the camera to launch her latest Lucy's Boutique clothing collection.
At the time, Lucy said: "It was amazing to be able to work with Lydia for this collection. We had so much fun modelling and shooting each look, and she looked amazing in every one."
Need a TOWIE refresher? Here's all that happened last series!