The incredibly organised 'meal prep queens' who spend Sundays making a week's worth of healthy food

Everyone knows that smug co-worker who arrives to the office with an perfectly packed healthy lunch. Now, meal-prepping has become an Instagram movement.

From fitness gurus and would-be health nuts to time poor mums and young working women, meal prepping is popping up on everyone's social media feeds.

It's a way to save time during the week, plan your meals, and ensure you're eating well and stick to your health plan.

And Instagram provides plenty of healthy eating inspiration in the form of the hashtags #mealprep and #mealprepdaily which boast tens of thousands of photos.

Insta-prep: The new foodie trend on Instagram is photographing your meal prep for the week and posting in on the social media site

Not just for foodies: Everyone from fitness gurus to time poor working women are meal prepping

Plan, prep, eat: Meal preppers usually make up to four or five days work of food in advance