MCDONALD'S will launch a new limited edition shake for fans to enjoy.
The purple shake, inspired by its Grimace mascot, features a blueberry flavoured syrup blended with a creamy milkshake base.
Prices start from £2.69 and will be in stores for only a week staring August 28.
Customers can also pick up a large version of the shake for £2.99.
The drink is already available in the US and is a fan favourite on social media.
It will only be available so a limited time so you will have to act fast if you want to try.
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For those in or travelling to London on Monday August 26, they can get their hands on a Grimace Shake early by visiting Box Park Shoreditch from 12pm-6pm.
The launch of the drink in the UK is part of the brands 50th birthday celebrations.
Already the store has introduced a number of changes to its menu.
This included the return of its Double Big Mac and a new Birthday Cake Donut, combining strawberry filling and buttercream-flavoured icing.
Two new McFlurrys are making their way to menus too - Milkybar Raspberry Ripple and Munchies Cookie Dough.
The news comes as fans of the fast food chain are also anticipating the return of McDonald's Monopoly.
The game will return on Wednesday, September 4, to the delight of fast food fans.
This means in just a few weeks time fans will have the chance to win hundreds of prizes including free food and money.
The competition will run for six weeks and end in October.
Just yesterday, The Sun shared with readers what prices are up for grabs.
You can read more about that by clicking the link here.
How to save money at McDonald's
You might not think it, but you can end up being charged more solely based on the McDonald's restaurant you choose.
Research by The Sun found a Big Mac meal can be up to 30p cheaper at restaurants just two miles apart from each other.
Meanwhile, you can pick up a Big Mac and fries for just £2.99 by filling in a feedback survey found on any old McDonald's receipt.
The receipt should come with a 12-digit code which you can enter into the Food for Thought website alongside your submitted survey.
You'll then receive a five-digit code which is your voucher for the £2.99 offer.
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Make sure you check out all the various apps and platforms if you're ordering McDonald's to your home too.
Our research found some can charge up to £1.20 more than others.