Pop star twins John and Edward Grimes sent a special message to Ed Sheeran to congratulate him on his first UK number one single.

Congrats @edsheeran on the number 1 and Just so you know the world think all your songs are number 1

— JEDWARD (@planetjedward) June 10, 2014

This prompted Ed to reply:

@planetjedward jedward you're the best

— Ed Sheeran (@edsheeran) June 10, 2014

The twins, who are currently editing the music video for their new single Free Spirit, also took time out to surprise old friend, Singaporean DJ, Gerald Koh, by calling him live on air to congratulate him on his new radio show.