The Mack Nevada feat. Mark Morrison & Fetty Wap Download 'The Mack' on iTunes
Justin Bieber has revealed that he plans to spend his 17th birthday...with his gran.
Speaking to Ellen Degeneres he said: 'Hopefully my grandparents will be out here and I'll be able to spend time, a little bit with them.
'My grandma makes the best cheesecake- cherry cheesecake. She made that for my 13th birthday.
He added: 'I only have, like, four days, so I'm going to relax, because I start my world tour on March 4th- so I'm just going to mentally prepare and just relax.'