Ellie Goulding’s song Army is about her BFF, so superfans and BFFs Martha and Lucy made it their song.
The pair was tricked into believing that they’re singing the song for a documentary about superfans.
But instead they got the surprise of a lifetime! Check it out:
Subscribe to Mix 1051's Blog!
Get the latest updates on music and celebrity news, contests and flyaways, and more straight to your inbox with our weekly emails.