Miley Cyrus has rubbished rumours she’s back with her ex Nick Jonas.
The Hannah Montana actress has been working in the studio with the Jonas Brothers star, 16.
‘It makes me sad to think that people out there aren’t friends with THEIR ex bf, because let me tell u it IS possible [sic],’ she writes on Twitter. ‘Stupidddd rumor.’ 

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Miley, 16, insists she’s happy with her current boyfriend, underwear model Justin Gaston, 20.
‘Justin and Nick are two very amazing people and they both mean so much to me,’ she writes.
‘I love both of them so much, and they are both very dear to my heart. Justin is an amazing person! He can always make me laugh and has a heart of gold.
‘Nick is so lovely. He reaches out to so many people with his music, not only with his talent but with his heart.

‘Our love for music is something that keeps our friendship together and I KNOW NO MATTER [what] he will be my friend forever.’