Singer Justin Bieber has told his fans that he is working on "something special" ahead of his hiatus from music. The "Love yourself" hitmaker teased his followers on Twitter by giving an update on the mysterious project he is planning to share, reports mirror.co.uk. It comes after a source said he is going on one-year hiatus to travel after his Purpose World Tour. Taking to Twitter on Thursday, the 22-year-old pop star wrote: "Working on something special". According to a source quoted by Daily Star newspaper, Bieber has been recording some new music here to sign off with and then he plans to go travel for a bit.