One Direction star Niall Horan has the reputation of being the cheekiest member of the boy band.
The Irish lad has been making fun of Olly Murs after he told his twitter followers he was having a boxing match against his personal trainer.
Olly wrote: "Sparring with @1georgiekean today down in EAST LONDON!!
"Gloves are on... Fancy my chances... Lol."
Niall couldn't help himself and replied: "@ollyofficial olly you wouldnt knock snow off a rope! hahahaha."
He added: "i'll take ya on!"
Later this month One Direction are to head to America to undertake a 23-date tour.
Murs will one of the opening acts for the band and he hopes he will be able to convert some One Direction fans to his music.
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