Niall Horan hasn't got Zayn Malik's phone number.
The 'This Town' singer insists his former One Direction bandmate - who quit the group in March 2015 - is always the "hardest" person to get in touch with and few people are able to track him down.
He said: "I haven't spoken to Zayn in a while. I spoke to him at Christmas then I spoke to him again a couple of months ago.
"Zayn's Zayn , not a lot of people would be able to say that they get in touch with him. He's the hardest man to get in touch with. He is always changing his number."
But the 24-year-old star speaks to Harry Styles "every day" and was delighted to see his friend perform a solo gig in Los Angeles last month.
He told The Sun newspaper: "We hugged it out, had a drink afterwards and had a bit of a chat. We talk every day but we don't get to see each other all the time because everyone's doing their own bits and pieces."
Niall, who also owns a sports management firm Modest! Golf, is looking forward to seeing Liam Payne again soon as he has a special gift for his friend and Cheryl Tweedy's seven-month-old son Bear.
He said: "I've met Bear. I got him a set of golf clubs, so I have to drop them off when I get the chance. I'm getting everyone into golf. I'm trying to grow the game.
"As a start I got him little trainers which have his name on the back. Little pairs of all the different trainers that Liam likes. Little Air Max, little Stan Smiths and stuff."
And the 'Slow Hands' singer is confident One Direction - which also featured Louis Tomlinson - will reunite one day.
He said: "It's only been like two years or whatever so I'm not worried about it. I'm not rushing it and I'm not worried that it won't happen."
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