One Direction's Niall Horan has added Novak Djokovic to his list of sporting friends, having taken to the court with the Wimbledon champion in Toronto.
The You and I singer had a practice game with the world number one ahead of the Rogers Cup in Toronto on Saturday.
Horan tweeted a picture of himself and Djokovic on the court with the caption: "Incredible experience! Got the opportunity to hit some balls with my bro @DjokerNole today! Thank you so much dude."
He also shared a changing room photo with his Instagram followers and thanked his fans for making it all possible.
He wrote: "I was terrible! But was an amazing experience to play with the number 1 tennis player in the world! Just incredible!
"Thank you to all of you guys, coz if it wasn't for you, I wouldn't be able to do amazing stuff like that."
Audience members were quick to share pictures of the One Direction star on the court on Twitter.
HOT PROFESSIONAL TENNIS PLAYER NIALL HORAN ON THE COURT TODAY IMAGINE IT pic.twitter.com/M8xUona8Dm— evonne&jj (@walmartniall) August 2, 2014
.@NiallOfficial poses for a picture with @DjokerNole at the end of their "practice" ;) pic.twitter.com/60DgfatO4U
— Max (@MGLovesTennis) August 3, 2014