The actor/rapper son of Will Smith, 44, and Jada Pinkett Smith, 41, described his relationship with the Keeping Up With The Kardashians star as 'pretty awesome' and called the 15-year-old 'one of my best friends'.

The rumours started when Kylie was spotted at a Justin Bieber concert in London last month, where Jaden was performing as one of the opening acts.

Now Jaden has told Wonderland magazine: 'I was in LA, we were all hanging out. Then I went to New York and she came too, then she came here and surprised me, so that's pretty baller.'

As well as pal Justin Bieber and his famous parents, Jaden can count President Obama among the big names he has hung out with.

Kylie is already a budding model aged 15, and Kanye West is dating her sister, Kim Kardashian.