14. The Vamps - 2.74 Million
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15 Of The BIGGEST Twitter Fan Armies In Pop!
2. 14. The Vamps - 2.74 Million
'Last Night' four-piece The Vamps have a strong core fan army that follow EVERYTHING these chaps do across Twitter - whether its revealing a new music video or posing in their undies (yeah, it happens). The #Vampettes love it ALL! Picture: Instagram