Justin Bieber posts a selfie with legendary hip hop producer Rick Rubin as he returns to work in studio

It has been two and a half years since he last released an album.

And Justin Bieber is looking to top the charts once more as he has enlisted in the help of one modern music's most successful figures.

The 20-year-old star took to his Shots account to post a selfie next to legendary record producer Rick Rubin late Tuesday night.

See picture of JayZ and Rick Rubin after cut