Twitter and Instagram to a photo of Grimace staring at a pale purple shake topped with whipped cream and a straw. The next day, it was announced that the change was in honour of Grimace's birthday.

TikTok users were quick to incorporate this bright pink treat into milkshakes, spurring a new wave of taste-testing videos with a very different outcome from the trending Grimace Shake videos ...

The launch of the mint-flavoured beverage comes after Maccie's trialled the blueberry-flavoured Grimace shake ... and White Chocolate Pie and Mars McFlurry. The Shamrock Shake was created in ...

The shake was launched after McDonald's trialled the blueberry-flavoured Grimace shake last summer ... Raspberry and White Chocolate Pie and Mars McFlurry. Tropicana Apple juice was added to ...