'Last Night' heartthrobs The Vamps have revealed that they were swarmed by fans earlier today (May 21) while in Milan, Italy. 

The boys are in the country for an exciting live performance on 'The Voice', which is due to take place later this evening, and shared a snapshot from their time wandering around the city which shows hordes of followers surrounding them and their cars. They accompanied the picture on Twitter with the caption: "Boxed in! Might have to stay in Italy."

In addition to sharing this tweet, a member of the group's team uploaded a short video to Instagram, in which he jokes that while out for a walk in Milan The Vamps "brought a few friends" with them and the camera then lifts up to reveal groups of fans hot on their heels. 

The Vamps also shared an update with their social media following earlier and asked them to tell them what they think of their performance on 'The Voice': "We are very excited to perform on the voice Italy. Let us know what you think using the hash tag #tvoiTheVamps #tvoi."

Watch footage of the stars' recently trip to Los Angeles below: